Pulsars are : (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars

Pulsars are : (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars
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(3) rapidly spinning stars Explanation: Pulsars are celestial objects, thought to be rapidly spinning stars, that emits regular pulses of radio waves and other electromagnetic radiation at the rate of upto one thousand pulses per second.
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Pulsars are : (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars

Description : Pulsars are : (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars

Last Answer : (3) rapidly spinning stars Explanation: Pulsars are celestial objects, thought to be rapidly spinning stars, that emits regular pulses of radiowaves and other electromagnetic radiation at the rate of upto one thousand pulses per second.

Pulsars are – (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars

Description : Pulsars are – (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars

Last Answer : (3) rapidly spinning stars Explanation: The word "pulsar" is a contraction of "pulsating star. A pulsar is formed when a massive star collapses exhausts its supply of fuel. It blasts out ... an object composed primarily of neutrons packed so tightly that they no longer exist as normal matter.

Pulsars are (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars

Description : Pulsars are (1) stars moving towards the Earth (2) stars moving away from Earth (3) rapidly spinning stars (4) high temperature stars 

Last Answer :  rapidly spinning stars

A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely

Description : A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely

Last Answer : B. Radio waves detectable from Earth (Answer)

Which of the following are used for accurately measuring very small time intervals? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs

Description : Which of the following are used for accurately measuring very small time intervals? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs

Last Answer : (3) Atomic clocks Explanation: An atomic clock is a clock device that uses an electronic transition frequency in the microwave, optical, or ultraviolet region of the electromagnetic spectrum of ... the wave frequency of television broadcasts, and in global navigation satellite systems such as GPS.

Which of the following are used for accurately measuring very small time intervals ? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs

Description : Which of the following are used for accurately measuring very small time intervals ? (1) Pulsars (2) Quartz clocks (3) Atomic clocks (4) White dwarfs

Last Answer : Atomic clocks

Can any rapidly spinning object be considered a gyroscope?

Description : Can any rapidly spinning object be considered a gyroscope?

Last Answer : Yes.

Which of the following will increase the ANGULAR MOMENTUM of a person spinning on a rotatable frictionless bar chair? w) moving the arms closer to the body x) moving the arms farther from the body y) moving one arm farther from the body and the other arm closer to the body with spastic repetition z) none of these

Description : Which of the following will increase the ANGULAR MOMENTUM of a person spinning on a rotatable frictionless bar chair? w) moving the arms closer to the body x) moving the arms farther from the body y) ... from the body and the other arm closer to the body with spastic repetition z) none of these

Last Answer : ANSWER: Z -- NONE OF THESE

Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Bali bouncing on floor (4) Motion of a ceiling fan

Description : Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Bali bouncing on floor (4) Motion of a ceiling fan

Last Answer : (2) Simple pendulum motion Explanation: When a body moves about a mean position in such a way that the acceleration is proportional to the displacement and is always directed towards the mean ... to execute a simple harmonic motion. The motion of a simple pendulum falls under this category.

Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Ball bouncing on floor (4) Motion of a ceiling fan

Description : Which of the following is an example of simple harmonic motion? (1) Earth spinning on its axis (2) Simple pendulum motion (3) Ball bouncing on floor (4) Motion of a ceiling fan

Last Answer : Simple pendulum motion

Would you gain momentum falling towards a large asteroid if the large asteroid was moving away?

Description : Would you gain momentum falling towards a large asteroid if the large asteroid was moving away?

Last Answer : answer:Were the boosters already active before you jumped out, or did the asteroid only start moving when you jumped? Does this atmosphere have an atmosphere that would push you downwards? If ... fall anyway, until you reach terminal velocity; I assume the question is whether you accelerate faster.

If P is moving away from a point and Q is moving towards a point then,

Description : If P is moving away from a point and Q is moving towards a point then,

Last Answer : If P is moving away from a point and Q is moving towards a point then, can their resultant be found using parallelogram law of vector addition?

Wet-bulb temperature is: a. The temperature indicated by a thermometer whose bulb covered by a water-wetted wick and exposed to a rapidly moving stream of air b. The same as the dry-bulb temperature if the relative humidity is less than 100% c. The dew point temperature d. Always less than the dry-bulb temperature e. Not required to find the relative humidity

Description : Wet-bulb temperature is: a. The temperature indicated by a thermometer whose bulb covered by a water-wetted wick and exposed to a rapidly moving stream of air b. The same as the dry-bulb ... point temperature d. Always less than the dry-bulb temperature e. Not required to find the relative humidity

Last Answer : Answer: A

There is no connection of supernova explosion with------? A. Cosmic rays B. Pulsars C. The formation of heavy elements D. Quasars (Answer)

Description : There is no connection of supernova explosion with------? A. Cosmic rays B. Pulsars C. The formation of heavy elements D. Quasars (Answer)

Last Answer : D. Quasars (Answer)

Antares is of the largest known ------? A. Quasars Star B. Pulsars Star C. White Dwarfs Star D. Red Super-giants Star (Answer)

Description : Antares is of the largest known ------? A. Quasars Star B. Pulsars Star C. White Dwarfs Star D. Red Super-giants Star (Answer)

Last Answer : D. Red Super-giants Star (Answer)

The Doppler Effect predicts that the spectrum of light from a visible body moving AWAY from the Earth will experience a shift in frequency when viewed from Earth. This particular shift is known as the: w) Blue shift x) Neutral shift y) Red shift z) Dirac shift

Description : The Doppler Effect predicts that the spectrum of light from a visible body moving AWAY from the Earth will experience a shift in frequency when viewed from Earth. This particular shift is known as the: w) Blue shift x) Neutral shift y) Red shift z) Dirac shift

Last Answer : ANSWER: Y -- RED SHIFT

Stars appear to move from east to west because the (a) Whole universe is moving from east to west (b) Earth is revolving around the sun (c) Earth is rotating from east to west (d) Earth is rotating from west to east

Description : Stars appear to move from east to west because the (a) Whole universe is moving from east to west (b) Earth is revolving around the sun (c) Earth is rotating from east to west (d) Earth is rotating from west to east

Last Answer : Ans:(d)

When testing a capacitor with an analog type ohmmeter, a good capacitor will be indicated when _____________. A. there is no meter deflection B. the meter deflects to a low resistance value and remains there C. the meter deflects to a low resistance value and slowly increases towards infinity D. the meter deflects to a low resistance value and increases rapidly to a higher value, but stays fairly low

Description : When testing a capacitor with an analog type ohmmeter, a good capacitor will be indicated when _____________. A. there is no meter deflection B. the meter deflects to a low resistance value and ... deflects to a low resistance value and increases rapidly to a higher value, but stays fairly low

Last Answer : Answer: C

Stars twinkle but planets do not twinkle because – (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away from the earth resulting in decrease in intensity of light (4) they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

Description : Stars twinkle but planets do not twinkle because - (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away ... and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

Last Answer : (4) they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable Explanation: Eris is the most massive and second-largest ... orbiting the Sun, and the largest known body in the Solar System not visited by a spacecraft.

Stars twinkle but planets do not twinkle because (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away from the earth resulting in decrease in intensity of light (4) they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

Description : Stars twinkle but planets do not twinkle because (1) they emit light of a constant intensity (2) their distance from the earth does not change with time (3) they are very far away from ... and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable 

Last Answer : they are nearer to the earth and hence we receive a greater amount of light and therefore minor variations in intensity are not noticeable

Which layer produce and comnducts electricity due to its high iron content and the earth spinning?

Description : Which layer produce and comnducts electricity due to its high iron content and the earth spinning?

Last Answer : The Earth's outer core produces electricity caused by abundance of iron. The Earth rotates and as it does that the iron generates high electric currents that then produce electricity. That also can generate magnetic fields.

Why is a passenger seen running towards the front while getting out of a slow moving car ?

Description : Why is a passenger seen running towards the front while getting out of a slow moving car ?

Last Answer : Passengers of slow moving cars also get stuck in speed. If a passenger suddenly falls off a moving vehicle, he may fall to the front for inertia. So he ran to the front and kept running until he was normal.

A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of (1) gravitational force between train and man. (2) illusion of the man (3) the centripetal force (4) pressure difference due to fast moving air in between

Description : A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of (1) gravitational force between train and man. (2) illusion of the man (3) the centripetal force (4) pressure difference due to fast moving air in between

Last Answer : (4) pressure difference due to fast moving air in between Explanation: When a fast-moving train passes a man standing on the platform at rest, the air between train and person also moves with ... higher pressure, and being behind the man standing close will tend to push him toward the train.

An object moving in a circle of radius ‘r’ with a constant speed ‘v’ has a constant acceleration towards the center equal to A. v²⁄r B. v⁄r C. v²×r D. v×r

Description : An object moving in a circle of radius ‘r’ with a constant speed ‘v’ has a constant acceleration towards the center equal to A. v²⁄r B. v⁄r C. v²×r D. v×r

Last Answer : v²⁄r

When an electron is moving horizontally between oppositely charged plates, it will move in the A. straight line B. fall directly downwards C. move towards positive plates D. curved path

Description : When an electron is moving horizontally between oppositely charged plates, it will move in the A. straight line B. fall directly downwards C. move towards positive plates D. curved path

Last Answer : curved path

A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of __________ . (1) gravitational force between train and man (2) illusion of the man (3) the centripetal force (4) pressure difference due to fast moving air in between

Description : A man standing close to the platform at a railway station experiences a pulling force towards a fast moving train because of __________ . (1) gravitational force between train and man (2) illusion of the man (3) the centripetal force (4) pressure difference due to fast moving air in between

Last Answer : pressure difference due to fast moving air in between

When light enters an optically denser medium, the light ray: w) bends away from a normal to surface x) passes through unbent y) bends towards a normal to surface z) none of the above

Description : When light enters an optically denser medium, the light ray: w) bends away from a normal to surface x) passes through unbent y) bends towards a normal to surface z) none of the above

Last Answer : ANSWER: Y -- BENDS TOWARDS A NORMAL TO SURFACE

Why does a passenger jumping out of a rapidly moving bus fall forward with his face downwards -Science

Description : Why does a passenger jumping out of a rapidly moving bus fall forward with his face downwards -Science

Last Answer : When the passenger jumps out of a fast-moving bus/train, his feet will come to rest on touching the ground, whereas the upper part of his body continues to move forward, due to the inertia of motion. As a result, if he does not run forward he will fall with his face in downwards direction.

What term describe an apparent change in frequency of sound waves of rapidly moving?

Description : What term describe an apparent change in frequency of sound waves of rapidly moving?

Last Answer : Doppler Shift. It occurs in electromagnetic radiation too,though is really only significant at extremely high speeds such asthe recession-rate of galaxies.

In general, valves in the circulatory system: a) permit blood to circulate rapidly b) prevent blood from moving too rapidly c) prevent blood from flowing in the wrong direction d) stop the circulation whenever necessary

Description : In general, valves in the circulatory system: a) permit blood to circulate rapidly b) prevent blood from moving too rapidly c) prevent blood from flowing in the wrong direction d) stop the circulation whenever necessary

Last Answer : ANSWER: C -- PREVENT BLOOD FROM FLOWING IN THE WRONG DIRECTION

Stars appears to move from east to west because - (1) all stars move from east to west (2) the earth rotates from west to east (3) the earth rotates from east to west (4) the background of the stars moves from west to east

Description : Stars appears to move from east to west because - (1) all stars move from east to west (2) the earth rotates from west to east (3) the earth rotates from east to west (4) the background of the stars moves from west to east

Last Answer : (2) the earth rotates from west to east Explanation: Earth's spin (or rotation) on its axis. Earth rotates or spins toward the east, and that's why the Sun, Moon, planets, and stars all rise in the east and make their way westward across the sky.

Stars appears to move from east to west because - (1) all stars move from east to west (2) the earth rotates from west to east (3) the earth rotates from east to west (4) the background of the stars moves from west to east

Description : Stars appears to move from east to west because - (1) all stars move from east to west (2) the earth rotates from west to east (3) the earth rotates from east to west (4) the background of the stars moves from west to east

Last Answer : (2) the earth rotates from west to east Explanation: Earth’s spin (or rotation) on its axis. Earth rotates or spins toward the east, and that’s why the Sun, Moon, planets, and stars all rise in the east and make their way westward across the sky.

A player making a long jump is an example of ______. (1) Projectile motion (2) Rotatory motion (3) Spinning motion (4) Horizontal motion

Description : A player making a long jump is an example of ______. (1) Projectile motion (2) Rotatory motion (3) Spinning motion (4) Horizontal motion

Last Answer : (1) Projectile motion Explanation: Projectile motion is a form of motion in which an object or particle is thrown near the earth's surface and it moves along a curved path under the action of gravity only.

The swing of a spinning cricket ball in air can be explained on the basis of – (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli's theorem.

Description : The swing of a spinning cricket ball in air can be explained on the basis of – (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli's theorem.

Last Answer : (3) Turbulence caused by wind. Explanation: The main theory of swing bowling surrounded turbulent and laminar airflow. Laminar air separates from the surface of the ball earlier than turbulent flow air, ... towards the back; inducing a greater lift force on the turbulent airflow side of the ball.

Momentum possessed by spinning objects is called A. linear momentum B. angular momentum C. normal momentum D. degrees' momentum

Description : Momentum possessed by spinning objects is called A. linear momentum B. angular momentum C. normal momentum D. degrees' momentum

Last Answer :  angular momentum

An ice skater is spinning like a top on a frozen lake. She raises her arms from their initial horizontal position to a vertical position over her head. The skater will experience an increase in angular velocity due to what physical law?

Description : An ice skater is spinning like a top on a frozen lake. She raises her arms from their initial horizontal position to a vertical position over her head. The skater will experience an increase in angular velocity due to what physical law?

Last Answer : ANSWER: LAW OF CONSERVATION OF ANGULAR MOMENTUM

The swing of a spinning cricket ball in air can be explained on the basis of (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli’s theorem.

Description : The swing of a spinning cricket ball in air can be explained on the basis of (1) Sudden change in wind direction. (2) Buoyancy of air. (3) Turbulence caused by wind. (4) Bernoulli’s theorem.

Last Answer : Turbulence caused by wind.

If the earth stopped spinning, would we all be crushed by gravity?

Description : If the earth stopped spinning, would we all be crushed by gravity?

Last Answer : The force that throws you outwards when you spin isn't actually outwards. It is perpendicular to the force of gravity. So it is not counteracting gravity at all. If gravity were suddenly turned off you ... that you are going straight up. But in fact the earth it is the going down relative to you.

What is the Spinning movement. The earth made called?

Description : What is the Spinning movement. The earth made called?

Last Answer : The spinning of the earth is called rotation. It takes the earth abut 24 hours, or one day, to make one complete rotation. At the same time, the earth is moving around the sun. This is called a revolution.

What would happen if the Earth stopped spinning?

Description : What would happen if the Earth stopped spinning?

Last Answer : If the core of the Earth had stopped spinning, then we would all die. Let me explain how we would all be killed. First, minor things will happen, EMP's would occur, frying electronics worldwide. After ... us. As that we do not have the technology for getting everyone off the Earth and to a more

Why don't we realize that the earth is spinning ?

Description : Why don't we realize that the earth is spinning ?

Last Answer : There are many reasons why we do not realize that the earth is spinning. For example, due to being located on the earth, people , animals , atmosphere, etc. are moving together. The earth is ... or equal object in front of the earth by which we can understand the rotational speed of the earth.

What do you call it when earth is spinning on its axis?

Description : What do you call it when earth is spinning on its axis?

Last Answer : You would say that the Earth is revolving.

if earth was not spinning there would be no ____.?

Description : if earth was not spinning there would be no ____.?

Last Answer : Diurnal cycle

A capacitor and a coil are connected in series. The capacitor is charged and allowed to discharge through the coil. The current that will then flow through the capacitor-coil combination will do one of the following things. Will it: w) flow in one direction, beginning at a maximum and decreasing rapidly to zero x) oscillate indefinitely y) oscillate but diminish steadily to zero z) oscillate at high frequency at first but then at slower frequency

Description : A capacitor and a coil are connected in series. The capacitor is charged and allowed to discharge through the coil. The current that will then flow through the capacitor-coil combination will do ... but diminish steadily to zero z) oscillate at high frequency at first but then at slower frequency  

Last Answer : ANSWER: Y -- OSCILLATE BUT DIMINISH STEADILY TO ZERO

Two major factors are changing the face of today’s communications. One of these factors is the fact that: A. Costs of promotion are rising. B. Mass markets are fragmented and marketers are shifting away from mass marketing. C. Global communications are not growing rapidly enough. D. Marcom managers have achieved more power and control.

Description : Two major factors are changing the face of today's communications. One of these factors is the fact that: A. Costs of promotion are rising. B. Mass markets are fragmented and ... Global communications are not growing rapidly enough. D. Marcom managers have achieved more power and control.

Last Answer : B. Mass markets are fragmented and marketers are shifting away from mass marketing.

Who discovered that all the galaxies in the universe are moving away from each other ?

Description : Who discovered that all the galaxies in the universe are moving away from each other ?

Last Answer : Scientist Hubble discovered the subject in 1924 .

The colours of stars depend on their – (1) temperature (2) distance (3) radius (4) atmospheric pressure

Description : The colours of stars depend on their – (1) temperature (2) distance (3) radius (4) atmospheric pressure

Last Answer : (1) temperature Explanation: The colour of a star tells about its temperature, and the temperature depends on some combination of the star's mass and evolutionary phase.

The different colours of different stars are due to the variation of – (1) temperature (2) pressure (3) density (4) radiation from them

Description : The different colours of different stars are due to the variation of – (1) temperature (2) pressure (3) density (4) radiation from them

Last Answer : (1) temperature Explanation: Shortly after blackbody radiation was understood, it was noticed that the spectra of stars look extremely similar to blackbody radiation curves of various temperatures, ... and that the colour variation of stars is a direct consequence of their surface temperatures.

The colours of stars depend on their (1) temperature (2) distance (3) radius (4) atmospheric pressure

Description : The colours of stars depend on their (1) temperature (2) distance (3) radius (4) atmospheric pressure

Last Answer : temperature