When a body is taken from earth to moon (1) mass changes but weight remains same (2) weight changes but mass remains same (3) both weight and mass change (4) both weight and mass remain same

When a body is taken from earth to moon (1) mass changes but weight remains same (2) weight changes but mass remains same (3) both weight and mass change (4) both weight and mass remain same
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weight changes but mass remains same
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When a body is taken from earth to moon – (1) Mass changes but weight remains same (2) Weight changes but mass remains same (3) Both weight and mass change (4) Both weight and mass re-main same

Description : When a body is taken from earth to moon – (1) Mass changes but weight remains same (2) Weight changes but mass remains same (3) Both weight and mass change (4) Both weight and mass re-main same

Last Answer : (2) Weight changes but mass remains same Explanation: Mass is how much stuff we are made of, and it is the same whether we are on Earth, on the moon, on Mercury, or anywhere else one can think of. We are held on Earth by gravity. Gravity pulling on mass is our weight .

If a body is taken from the earth to the moon, 1. its mass will be different but weight will remain the same 2. both mass and weight will be different 3. its mass will remain the same but weight will be different 4. its density will remain unchanged Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) 3 and 4 (d) 2 and 4

Description : If a body is taken from the earth to the moon, 1. its mass will be different but weight will remain the same 2. both mass and weight will be different 3. its mass will remain the same but weight will be different 4. ... above statements is/are correct? (a) 1 only (b) 2 only (c) 3 and 4 (d) 2 and 4

Last Answer : Ans:(c)

When a man circles round the earth in a satellite, then (a) His mass becomes zero but weight remains constant (b) Mass remains constant but weight becomes zero (c) Both mass and weight remain constant (d) Both mass and weight remain zero

Description : When a man circles round the earth in a satellite, then (a) His mass becomes zero but weight remains constant (b) Mass remains constant but weight becomes zero (c) Both mass and weight remain constant (d) Both mass and weight remain zero

Last Answer : Ans:(b)

In pre-stressed concrete (A) Forces of tension and compression change but lever arm remains unchanged (B) Forces of tension and compressions remain unchanged but lever arm changes with the moment (C) Both forces of tension and compression as well as lever arm change (D) Both forces of tension and compression as well as lever arm remain unchanged

Description : In pre-stressed concrete (A) Forces of tension and compression change but lever arm remains unchanged (B) Forces of tension and compressions remain unchanged but lever arm changes with the moment ( ... arm change (D) Both forces of tension and compression as well as lever arm remain unchanged

Last Answer : Answer: Option B

The time period of a pendulum when taken to the Moon would: (1) remain the same (2) decrease (3) become zero (4) increase

Description : The time period of a pendulum when taken to the Moon would: (1) remain the same (2) decrease (3) become zero (4) increase

Last Answer : (4) increase Explanation: Since the pendulum rate will increase with an increase in gravity, and local gravity varies with latitude and elevation on Earth, pendulum clocks must be readjusted to keep time ... example, a pendulum clock moved from sea level to 4000 feet will lose 16 seconds per day.

The time period of a pendulum when taken to the Moon would: (1) remain the same (2) decrease (3) become zero (4) increase

Description : The time period of a pendulum when taken to the Moon would: (1) remain the same (2) decrease (3) become zero (4) increase

Last Answer : increase

Relative to its period on the earth, is the period of a pendulum on the moon: w) shorter x) longer y) remain unchanged

Description : Relative to its period on the earth, is the period of a pendulum on the moon: w) shorter x) longer y) remain unchanged

Last Answer : ANSWER: X -- LONGER

Magnetic declination at any place (A) Remains constant (B) Does not remain constant (C) Fluctuates (D) Changes abruptly

Description : Magnetic declination at any place (A) Remains constant (B) Does not remain constant (C) Fluctuates (D) Changes abruptly

Last Answer : (B) Does not remain constant

Which statement best describes the operating principle of a constant-speed propeller? a. As throttle setting is changed by the pilot, the prop governor causes pitch angle of the propeller blades to remain unchanged b. The propeller control regulates the engine RPM and in turn the propeller RPM c. A high blade angle, or increased pitch, reduces the propeller drag and allows more engine power for take-offs d. As the propeller control setting is changed by the pilot, the RPM of the engines remains constant as the pitch angle of the propeller changes

Description : Which statement best describes the operating principle of a constant-speed propeller? a. As throttle setting is changed by the pilot, the prop governor causes pitch angle of the propeller blades to ... the pilot, the RPM of the engines remains constant as the pitch angle of the propeller changes

Last Answer : b. The propeller control regulates the engine RPM and in turn the propeller RPM

Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Description : Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Last Answer : ANSWER: X -- DECREASES

A body has a mass of 6 kg on the Earth; when measured on the Moon, what would be its mas?

Description : A body has a mass of 6 kg on the Earth; when measured on the Moon, what would be its mas?

Last Answer : – 6 kg

Which of the following statements is incorrect? (a) The mass of a body is not the same as its weight (b) Mass is a measure of quantity of matter whereas weight is a force (c) Mass of a body varies from place to place but its weight remains constant (d) In the MKS system, mass is expressed in kilogram and weight in newton

Description : Which of the following statements is incorrect? (a) The mass of a body is not the same as its weight (b) Mass is a measure of quantity of matter whereas weight is a force (c) Mass of a ... but its weight remains constant (d) In the MKS system, mass is expressed in kilogram and weight in newton

Last Answer : Ans:(c)

Which of the following is the best example of law of conservation of mass? [NCERT 1975] (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2. (B) When 12 g of carbon is heated in a vacuum there is no change in mass. (C) A sample of air increases in volume when heated at constant pressure but its mass remains unaltered. (D) The weight of a piece of platinum is the same before and after heating in air.

Description : Which of the following is the best example of law of conservation of mass? [NCERT 1975] (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2. (B) When 12 g of carbon is ... mass remains unaltered. (D) The weight of a piece of platinum is the same before and after heating in air.

Last Answer : (A) 12 g of carbon combines with 32 g of oxygen to form 44 g of CO2.

If you were to take a radio to the moon would correctly describe the changes to its mass and weight?

Description : If you were to take a radio to the moon would correctly describe the changes to its mass and weight?

Last Answer : It's weight would decrease, and it's mass would remain thesame.

Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth- (1) remains same (2) becomes half (3) becomes twice (4) becomes one-fourth

Description : Weight of a person at a height of 2R from the centre of the earth, where R is the radius of the earth- (1) remains same (2) becomes half (3) becomes twice (4) becomes one-fourth

Last Answer : (4) becomes one-fourth Explanation: The gravitational force is proportional to 1/R2, where R is the distance from the centre of the Earth. So at a height of 2R from the centre of the earth, the corresponding weight would be one-fourth of the original weight.

Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line? (1) Momentum (2) Mass (3) Force (4) Inertia

Description : Which of the following physical quantities changes or tends to change the state of rest or of uniform motion of a body in a straight line? (1) Momentum (2) Mass (3) Force (4) Inertia

Last Answer : (3) Force Explanation: Force is an agent which changes or tends to change the state of rest or of uniform motion of a body.

If speed of rotation of the earth increases, the weight of the body – (1) decreases (2) increases (3) remains the same (4) may increase or decrease

Description : If speed of rotation of the earth increases, the weight of the body – (1) decreases (2) increases (3) remains the same (4) may increase or decrease

Last Answer : (1) decreases Explanation: The weight of a body on the earth is the amount of gravitational pull on it exerted by the earth. Similarly there is another force exerted on a body on earth, that ... under the influence of the centrifugal force and the weight of the body will seem to have decreased.

If speed of rotation of the earth increases, the weight of the body (1) decreases (2) increases (3) remains the same (4) may increase or decrease

Description : If speed of rotation of the earth increases, the weight of the body (1) decreases (2) increases (3) remains the same (4) may increase or decrease

Last Answer : decreases

Which of the following is correct? a. The evidence which the auditor accumulates remains the same from audit to audit, but the general objectives vary, depending on the circumstances. b. The general audit objectives remain the same from audit to audit, but the evidence varies, depending on the circumstances. c. The circumstances may vary from audit to audit, but the evidence accumulated remains the samed. The general audit objectives may varyfrom audit to audit, but thecircumstances remain the same.

Description : Which of the following is correct? a. The evidence which the auditor accumulates remains the same from audit to audit, but the general objectives vary, depending on the circumstances. b. The ... The general audit objectives may vary from audit to audit, but the circumstances remain the same.

Last Answer : The general audit objectives remain the same from audit to audit, but the evidence varies, depending on the circumstances

When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Description : When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Last Answer : Answer : B

When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Description : When eggs are cooked (A) Biotin is destroyed but avidin remains unaffected (B) Avidin is inactivated but biotin remains unaffected (C) Both avidin and biotin are inactivated (D) Both avidin and biotin remain unaffected

Last Answer : (B) Avidin is inactivated but biotin remains unaffected

Fixed cost is a cost: (a) Which changes in total in proportion to changes in output (b) which is partly fixed and partly variable in relation to output (c) Which do not change in total during a given period despise changes in output (d) which remains same for each unit of output

Description : Fixed cost is a cost: (a) Which changes in total in proportion to changes in output (b) which is partly fixed and partly variable in relation to output (c) Which do not change in total during a given period despise changes in output (d) which remains same for each unit of output

Last Answer : (c) Which do not change in total during a given period despise changes in output

If the distance between the centers of mass of two bodies is doubled, the gravitational force between the bodies will become what portion of the original force: w) double x) one half y) remain the same z) one quarter

Description : If the distance between the centers of mass of two bodies is doubled, the gravitational force between the bodies will become what portion of the original force: w) double x) one half y) remain the same z) one quarter

Last Answer : ANSWER: Z -- ONE QUARTER

Neil Armstrong was the first person to reach on the moon. While walking on the moon (a) His mass remained the same but weight increased (b) His mass remained the same but weight decreased (c) His mass as well as weight decreased (d) His mass increased but weight remained the same

Description : Neil Armstrong was the first person to reach on the moon. While walking on the moon (a) His mass remained the same but weight increased (b) His mass remained the same but weight decreased (c) His mass as well as weight decreased (d) His mass increased but weight remained the same

Last Answer : Ans:(a)

If the spring mass system with m and spring stiffness k is taken to very high altitude, the natural frequency of longitudinal vibrations * 1 point (A) increases (B) decreases (C) remain unchanged (D) may increase or decrease depending upon the value of the mass

Description : If the spring mass system with m and spring stiffness k is taken to very high altitude, the natural frequency of longitudinal vibrations * 1 point (A) increases (B) decreases (C) remain unchanged (D) may increase or decrease depending upon the value of the mass

Last Answer : (C) remain unchanged

If the spring mass system with m and spring stiffness k is taken to very high altitude , the natural frequency of longitudinal vibrations A) Increases B) Decreases C) Remain unchanged D) May be increase or decrease depending upon the value of the mass

Description : If the spring mass system with m and spring stiffness k is taken to very high altitude , the natural frequency of longitudinal vibrations A) Increases B) Decreases C) Remain unchanged D) May be increase or decrease depending upon the value of the mass

Last Answer : C) Remain unchanged

If the voltage applied to a moving disk frequency meter decreases, while the applied frequency remains the same, the frequency indication will _____________. A. increase B. decrease C. remain the same D. oscillate

Description : If the voltage applied to a moving disk frequency meter decreases, while the applied frequency remains the same, the frequency indication will _____________. A. increase B. decrease C. remain the same D. oscillate

Last Answer : Answer: C

The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will (A) Increase (B) Decrease (C) Remain same (D) Depend on saturated boiling point; may increase or decrease

Description : The feed to fractionating column is changed from saturated vapour to saturated liquid. If the separation and reflux ratio remains unchanged, the number of ideal stages will (A) Increase (B) Decrease (C) Remain same (D) Depend on saturated boiling point; may increase or decrease

Last Answer : (A) Increase

A body has a mass of 6 kg on the Earth; when measured on the Moon, what would be its mas

Description : A body has a mass of 6 kg on the Earth; when measured on the Moon, what would be its mas

Last Answer : 6 kg

In the speed of rotation of earth decreases, the weight of the body will a.Decrease b.Remain unaltered c.Depends on speed ratio d.Cannot be ascertained on the basis the information given e.Increase

Description : In the speed of rotation of earth decreases, the weight of the body will a.Decrease b.Remain unaltered c.Depends on speed ratio d.Cannot be ascertained on the basis the information given e.Increase

Last Answer : c. Depends on speed ratio

If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface? (1) 12N (2) 2N (3) 10N (4) 6N

Description : If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface? (1) 12N (2) 2N (3) 10N (4) 6N

Last Answer : (2) 2N Explanation: Weight is mass x g. Since mass is constant and g is only 16thof that on the earth. The weight on the moon is only 16th of that on the earth.

Is iron mass on the moon same as earth?

Description : Is iron mass on the moon same as earth?

Last Answer : Mass is a constant everywhere in the universe.The weight on the moon is about one sixth of the weight on theearth, because the mass of the moon is about one sixth of the massof the earth reducing the force of gravity.

Under horizontal mobility, a person changes one’s occupation but the overall social standing remains the same.

Description : Under horizontal mobility, a person changes one’s occupation but the overall social standing remains the same.

Last Answer : Correct underlined word and complete the sentence : Under horizontal mobility, a person changes ... the overall social standing remains the same.

Due to rusting the weight of iron - (1) Decreases (2) Increases (3) Remains the same (4) Uncertain

Description : Due to rusting the weight of iron - (1) Decreases (2) Increases (3) Remains the same (4) Uncertain

Last Answer : (2) Increases Explanation: Corrosion of a block of metal - Iron to Iron Oxide (rust), Aluminum to Bauxite, Cooper to Cupric-oxide, or otherwise - does not change the weight of the metal in the system.

As you go up a mountain top, your weight: w) increases slightly x) decreases slightly y) remains exactly the same.

Description : As you go up a mountain top, your weight: w) increases slightly x) decreases slightly y) remains exactly the same.

Last Answer : ANSWER: X -- DECREASES SLIGHTLY

The phases of the moon are partially the result of the------? A. Changes in the shape of the moon B. Revolution of the moon around the earth (Answer) C. Variations in the moon’s gravitation D. Variations in the speed of rotation of the moon

Description : The phases of the moon are partially the result of the------? A. Changes in the shape of the moon B. Revolution of the moon around the earth (Answer) C. Variations in the moon’s gravitation D. Variations in the speed of rotation of the moon

Last Answer : B. Revolution of the moon around the earth (Answer)

The season changes because of the ------? A. Moon is revolving round the earth B. Earth is revolving round its axis C. Earth is revolving round the sun (Answer) D. Planet Mars is attracting the sun

Description : The season changes because of the ------? A. Moon is revolving round the earth B. Earth is revolving round its axis C. Earth is revolving round the sun (Answer) D. Planet Mars is attracting the sun

Last Answer : C. Earth is revolving round the sun (Answer)

We always see the same lace of the moon, because – (1) It is smaller than the earth (2) It revolves on its axis in a direction opposite to that of the earth (3) It takes equal time for revolution around the earth and rotation on its own axis (4) It rotates at the same speed as the earth around the sun

Description : We always see the same lace of the moon, because - (1) It is smaller than the earth (2) It revolves on its axis in a direction opposite to that of the earth (3) It takes equal time for revolution ... the earth and rotation on its own axis (4) It rotates at the same speed as the earth around the sun

Last Answer : (3) It takes equal time for revolution around the earth and rotation on its own axis Explanation: It is tidal locking that causes the synchronous rotation which causes the Moon to present "just one side ... to revolve (orbit) around the Earth. So it maintains a "constant face" in our direction.

We always see the same lace of the moon, because – (1) It is smaller than the earth (2) It revolves on its axis in a direction opposite to that of the earth (3) It takes equal time for revolution around the earth and rotation on its own axis (4) It rotates at the same speed as the earth around the sun

Description : We always see the same lace of the moon, because - (1) It is smaller than the earth (2) It revolves on its axis in a direction opposite to that of the earth (3) It takes equal time for revolution ... the earth and rotation on its own axis (4) It rotates at the same speed as the earth around the sun

Last Answer : (3) It takes equal time for revolution around the earth and rotation on its own axis Explanation: It is tidal locking that causes the synchronous rotation which causes the Moon to present "just one side ... to revolve (orbit) around the Earth. So it maintains a "constant face" in our direction.

Spring tides occur when: (1) the moon, the sun and the earth are in the same line (2) the sun is closest to earth (3) the moon is farthest from earth (4) the earth is at right angles with the sun and the moon

Description : Spring tides occur when: (1) the moon, the sun and the earth are in the same line (2) the sun is closest to earth (3) the moon is farthest from earth (4) the earth is at right angles with the sun and the moon

Last Answer : (1) the moon, the sun and the earth are in the same line Explanation: The combined tide raising forces of the Moon and the Sun are at their greatest effect when the Sun and the Moon are in line with the Earth.

We always see the same face of the moon, because (1) it is smaller than the earth (2) it revolves on its axis in a direction opposite to that of the earth (3) it takes equal time for revolution around the earth and rotation on its own axis (4) it rotates at the same speed as the earth around the sun

Description : We always see the same face of the moon, because (1) it is smaller than the earth (2) it revolves on its axis in a direction opposite to that of the earth (3) it takes equal time for revolution around the earth and rotation on its own axis (4) it rotates at the same speed as the earth around the sun

Last Answer : it takes equal time for revolution around the earth and rotation on its own axis

Why does molality of a solution remain unchanged with change in temperature while its molarity changes?

Description : Why does molality of a solution remain unchanged with change in temperature while its molarity changes? 

Last Answer : Molality of a solution depends on the mass of solvent and man does not vary with change in temp. where as molarity depends on volume of solution and volume change with change in temp.

During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community (c) the gradual and predictable change in species composition occurs in a given area (d) the establishment of a new biotic community is very fast in its primary phase.

Description : During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community ( ... area (d) the establishment of a new biotic community is very fast in its primary phase.

Last Answer : (c) the gradual and predictable change in species composition occurs in a given area

In “catabolic” surgical patients, which of the following changes in body composition do not occur? A. Lean body mass increases. B. Total body water increases. C. Adipose tissue decreases. D. Body weight decreases.

Description : In “catabolic” surgical patients, which of the following changes in body composition do not occur? A. Lean body mass increases. B. Total body water increases. C. Adipose tissue decreases. D. Body weight decreases.

Last Answer : Answer: A DISCUSSION: Lean body mass represents the body compartment that contains protein. Because critical illness stimulates proteolysis and increased excretion of body nitrogen, this compartment is consistently ... of body weight, an increase in total body water, and a decrease in body fat

Consider two water drops at a temperature T. These drops are NOT allowed to exchange energy with their environment. These two drops collide and combine. How does the temperature of these drops change when they combine? Does it: w) decrease x) remain the same y) increase

Description : Consider two water drops at a temperature T. These drops are NOT allowed to exchange energy with their environment. These two drops collide and combine. How does the temperature of these drops change when they combine? Does it: w) decrease x) remain the same y) increase

Last Answer : ANSWER: Y -- INCREASE

Which of the following is correct about cold blooded animals? (1) Their blood remains cold all the time (2) Their body temperature changes in accordance with the atmosphere (3) Their body temperature remains constant all the time (4) They kill all the animals they come across (SSC Combined Graduate Level Prelim Exam.

Description : Which of the following is correct about cold blooded animals? (1) Their blood remains cold all the time (2) Their body temperature changes in accordance with the atmosphere (3) Their body temperature ... time (4) They kill all the animals they come across (SSC Combined Graduate Level Prelim Exam.

Last Answer : (2) Their body temperature changes in accordance with the atmosphere Explanation: A cold blooded animal, or ectotherm, is one that does not have an internal mechanism for regulating its body ... of cold blooded animals. -For any Study materialContact WhatsApp: 8337932441 Join Telegram- Click here

Which of the following is correct about cold blooded animals ? (1) Their blood remains cold all the time (2) Their body temperature changes in accordance with the atmosphere (3) Their body temperature remains constant all the time (4) They kill all the animals they come across

Description : Which of the following is correct about cold blooded animals ? (1) Their blood remains cold all the time (2) Their body temperature changes in accordance with the atmosphere (3) Their body temperature remains constant all the time (4) They kill all the animals they come across

Last Answer : Their body temperature changes in accordance with the atmosphere

What will happen to the object if taken to the moon or another planet ?

Description : What will happen to the object if taken to the moon or another planet ?

Last Answer : If taken to the moon or another planet, the mass of the object will remain the same but the weight will change.

The non-relativistic mass of an object w) must be the same as its weight x) depends on where you measure it y) does not change with increasing velocity z) is greatest at the poles

Description : The non-relativistic mass of an object w) must be the same as its weight x) depends on where you measure it y) does not change with increasing velocity z) is greatest at the poles

Last Answer : ANSWER: Y -- DOES NOT CHANGE WITH INCREASING VELOCITY

Two hockey pucks, of unequal mass and connected by a spring of negligible mass, rest on a horizontal frictionless surface. The spring is released, and the pucks move apart. The center of mass of the two pucks does one of the following. Does it: w) move in a circle x) move in the direction of the greater mass y) remain stationary z) move in the direction of the smaller mass

Description : Two hockey pucks, of unequal mass and connected by a spring of negligible mass, rest on a horizontal frictionless surface. The spring is released, and the pucks move apart. The center of mass of ... the direction of the greater mass y) remain stationary z) move in the direction of the smaller mass

Last Answer : ANSWER: Y -- REMAIN STATIONARY