Light from the Sun reaches us in nearly (1) 8 min (2) 2 min (3) 6 min (4) 4 min

Light from the Sun reaches us in nearly (1) 8 min (2) 2 min (3) 6 min (4) 4 min
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(1) 8 min Explanation: The sun's light takes about 8 minutes to reach the Earth after it has been emitted from the sun's surface. The time it takes for light to reach planets in our Solar System varies from about 3 minutes for Mercury, to about 5.3 hours for Pluto.
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Light from the Sun reaches us in nearly (1) 8 min (2) 2 min (3) 6 min (4) 4 min

Description : Light from the Sun reaches us in nearly (1) 8 min (2) 2 min (3) 6 min (4) 4 min

Last Answer : 8 min

Light from the Sun reaches us in nearly (1) 2 minutes (2) 4 minutes (3) 8 minutes (4) 16 minutes

Description : Light from the Sun reaches us in nearly (1) 2 minutes (2) 4 minutes (3) 8 minutes (4) 16 minutes

Last Answer : (3) 8 minutes Explanation: The sun's light takes about 8 minutes to reach the Earth after it has been emitted from the sun's surface. The time it takes for light to reach planets in our Solar System ... Way, which is our galaxy) varies from about 3 minutes for Mercury, to about 5.3 hours for Pluto

Light from the Sun reaches us in nearly (1) 2 minutes (2) 4 minutes (3) 8 minutes (4) 16 minutes

Description : Light from the Sun reaches us in nearly (1) 2 minutes (2) 4 minutes (3) 8 minutes (4) 16 minutes

Last Answer : (3) 8 minutes Explanation: The sun's light takes about 8 minutes to reach the Earth after it has been emitted from the sun's surface. The time it takes for light to reach planets in our Solar System ... Way, which is our galaxy) varies from about 3 minutes for Mercury, to about 5.3 hours for Pluto.

The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Description : The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Last Answer : (2) 8 minutes Explanation: Light travels at 186,000 miles a second at the Earth is 93 million miles to Sun on average. This works out as 8.33 minutes for light from the Sun to reach Earth. ... is filtered through the Earth's atmosphere, and is obvious as daylight when the Sun is above the horizon.

The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Description : The light from the Sun reaches the Earth in about— (1) 8 seconds (2) 8 minutes (3) 10 seconds (4) 10 minutes

Last Answer : 8 minutes

The normal glucose tolerance curve reaches peak is (A) 15 min (B) 1 hr (C) 2 hrs (D) 2 ½ hrs

Description : The normal glucose tolerance curve reaches peak is (A) 15 min (B) 1 hr (C) 2 hrs (D) 2 ½ hrs

Last Answer : B

The starting current of an electric motor is ________ the current flowing after the motor reaches its normal running speed. (a) nearly equal to (b) exactly equal to (c) less than (d) much greater than

Description : The starting current of an electric motor is ________ the current flowing after the motor reaches its normal running speed. (a) nearly equal to (b) exactly equal to (c) less than (d) much greater than

Last Answer : Ans:(d)

Light from the nearest star (other than the sun) reaches the earth in (a) 4.2 seconds (b) 42 seconds (c) 4.2 years (d) 42 years

Description : Light from the nearest star (other than the sun) reaches the earth in (a) 4.2 seconds (b) 42 seconds (c) 4.2 years (d) 42 years

Last Answer : Ans:(c)

Light reaches earth from sun in?

Description : Light reaches earth from sun in?

Last Answer : 8 minutes 20semnds (500 seconds)

The light of sun reaches to the surface of earth in

Description : The light of sun reaches to the surface of earth in

Last Answer : 8 minutes 16.6 sec

The water of the Luni river is (a) Fresh (b) Fresh in upper reaches and salty in the lower reaches (c) Salty (d) Fresh in rainy season and salty in other seasons

Description : The water of the Luni river is (a) Fresh (b) Fresh in upper reaches and salty in the lower reaches (c) Salty (d) Fresh in rainy season and salty in other seasons

Last Answer : Ans: (b)

Rainfall from the south-west monsoon reaches: (a) Lahauland Spiti (b) Ladakh (c) Tamil Nadu (d) Delta region of Mahanadi

Description : Rainfall from the south-west monsoon reaches: (a) Lahauland Spiti (b) Ladakh (c) Tamil Nadu (d) Delta region of Mahanadi

Last Answer : Ans: (d)

The Brahmaputra, Irrawady and Mekong rivers originate in Tibet and flow through narrow and parallel mountain ranges in their upper reaches: Of these rivers, Brahmaputra makes a "U" turn in its course to flow into India. This "U" turn is due to [CSAT 2011] (a) Uplift of folded Himalayan series (b) Syntaxial bending of geologically young Himalayas (c) Geo-tectonic disturbance in the tertiary folded mountain chains (d) Both (a) and (b) above

Description : The Brahmaputra, Irrawady and Mekong rivers originate in Tibet and flow through narrow and parallel mountain ranges in their upper reaches: Of these rivers, Brahmaputra makes a "U" turn in its course to ... Geo-tectonic disturbance in the tertiary folded mountain chains (d) Both (a) and (b) above

Last Answer : Ans: (d)

Match the following: Place Power Project A. Kalpakkam 1. Thermal power project B. Kolkata 2. Nuclear power project In d ian Min er al s an d In d u st r ies C. Koyna 3. Tidal power project D. Bhavnagar 4. Hydro power project A B C D (a) 1 3 4 2 (b) 2 3 1 4 (c) 2 1 4 3 (d) 2 3 4 1

Description : Match the following: Place Power Project A. Kalpakkam 1. Thermal power project B. Kolkata 2. Nuclear power project In d ian Min er al s an d In d u st r ies C. Koyna 3. Tidal power project D. Bhavnagar 4. Hydro power project A B C D (a) 1 3 4 2 (b) 2 3 1 4 (c) 2 1 4 3 (d) 2 3 4 1

Last Answer : Ans: (c)

The earth completes one rotation on its axis in : (1) 23 hrs. 56 min. 4.9 sec (2) 23 hrs. 10 min. 2 sec (3) 23 hrs. 30 min. (4) 24 hrs.

Description : The earth completes one rotation on its axis in : (1) 23 hrs. 56 min. 4.9 sec (2) 23 hrs. 10 min. 2 sec (3) 23 hrs. 30 min. (4) 24 hrs.

Last Answer : (1) 23 hrs. 56 min. 4.9 sec Explanation: The Earth rotates around its axis once in about 24 hours with respect to the sun and once every 23 hours 56 minutes and 4 seconds with respect to the stars. The Earth rotates from the west towards east. Seasons are caused by Earth's rotation around its axis.

Assertion (A) :Sunlight reaches us without dispersion in the form of white light and not as a component. Reason(R) : Dispersion takes place due to variation of refractive index for different wavelength but in vaccum the speed of light is independent of wavelength and hence vaccum is a non- dispersive medium (a) Both A and R are true and R is the correct explanation of A. (b) Both A and R are true but R is not the correct explanation of A. (c) A is true but R is false. (d) A is false but R is true.

Description : Assertion (A) :Sunlight reaches us without dispersion in the form of white light and not as a component. Reason(R) : Dispersion takes place due to variation of refractive index for different wavelength but in vaccum the speed of ... of A. (c) A is true but R is false. (d) A is false but R is true.

Last Answer : (a) Both A and R are true and R is the correct explanation of A.

Which planet in our solar system is nearly as big as the earth? (1) Mercury (2) Mars (3) Venus (4) Pluto

Description : Which planet in our solar system is nearly as big as the earth? (1) Mercury (2) Mars (3) Venus (4) Pluto

Last Answer : (3) Venus Explanation: Venus is often referred to as our sister planet because of similarities in size, mass, density and volume. It is believed that both planets share a common origin forming at the same time out of a condensing nebulosity around 4.5 billion years ago.

Which planet in our solar system is nearly as big as the earth? (1) Mercury (2) Mars (3) Venus (4) Pluto

Description : Which planet in our solar system is nearly as big as the earth? (1) Mercury (2) Mars (3) Venus (4) Pluto

Last Answer : (3) Venus Explanation: Venus is sometimes called as Earth's twin planet, in terms of size and composition. Like the earth, Venus is covered with thick clouds and has an atmosphere. There is almost ... amount of gravity on Venus but the pressure on the planet is about 100 times bigger than on Earth.

The percentage of India's total population employed in agriculture is nearly (1) 60% (2) 50% (3) 70% (4) 80%

Description : The percentage of India's total population employed in agriculture is nearly (1) 60% (2) 50% (3) 70% (4) 80%

Last Answer : (1) 60% Explanation: As per the Economic Survey 2013-14, agriculture accounts for about 54.6 percent of total employment (Census 2011) in India. However, it contributed only 13.9 percent to India's GDP in 2013-14 (provisional estimates) and 15.2 percent during the Eleventh Plan.

What is the source of the electromagnetic energy that reaches earth from the sun?

Description : What is the source of the electromagnetic energy that reaches earth from the sun?

Last Answer : the solar panals

What The amount of the sun energy that reaches the earth?

Description : What The amount of the sun energy that reaches the earth?

Last Answer : Need answer

Heat from the sun reaches earth by the process of – (1) Conduction (2) Convection (3) Radiation (4) All of the above

Description : Heat from the sun reaches earth by the process of – (1) Conduction (2) Convection (3) Radiation (4) All of the above

Last Answer : (3) Radiation Explanation: In physics, radiation is a process in which energetic particles or energetic waves travel through vacuum, or through mattercontaining media that are not required for their propagation.

Heat from the Sun reaches the Earth by (1) Reflection (2) Conduction (3) Radiation (4) Convection

Description : Heat from the Sun reaches the Earth by (1) Reflection (2) Conduction (3) Radiation (4) Convection

Last Answer : (3) Radiation Explanation: The radiation (light, heat, etc.) travels through the intervening 150,000,000 kilometers in 8 minutes. Radiation is a process in which energetic particles or energetic waves ... waves or sound waves, are usually not considered to be forms of "radiation" in this sense.

When does the sun reaches its maximum angular distance from the equator?

Description : When does the sun reaches its maximum angular distance from the equator?

Last Answer : At the solstice

When our sun reaches the end of its red giant phase, it will turn into a------? A. Supernova B. White Dwarf (Answer) C. Black Hole D. Neutron Star

Description : When our sun reaches the end of its red giant phase, it will turn into a------? A. Supernova B. White Dwarf (Answer) C. Black Hole D. Neutron Star

Last Answer : B. White Dwarf (Answer)

What happen to the heat energy that reaches Earth from the sun?

Description : What happen to the heat energy that reaches Earth from the sun? 

Last Answer : Ans: The layer of air which surrounds the Earth acts as an insulating layer. Carbon dioxide gas in the atmosphere absorbs the heat from the Sun and keeps it in thereby maintaining a specific temperature for life on Earth.

Heat from the sun reaches the Earth by: w) conduction x) convection y) radiation z) none of the above

Description : Heat from the sun reaches the Earth by: w) conduction x) convection y) radiation z) none of the above

Last Answer : ANSWER: Y -- RADIATION

Heat from the sun reaches earth by the process of (1) Conduction (2) Convection (3) Radiation (4) All of the above

Description : Heat from the sun reaches earth by the process of (1) Conduction (2) Convection (3) Radiation (4) All of the above

Last Answer : Radiation

Heat from the Sun reaches the Earth by (1) Reflection (2) Conduction (3) Radiation (4) Convection

Description : Heat from the Sun reaches the Earth by (1) Reflection (2) Conduction (3) Radiation (4) Convection

Last Answer : Radiation

Is a redshift of 1 equal to a light travel distance of nearly 8 billion years?

Description : Is a redshift of 1 equal to a light travel distance of nearly 8 billion years?

Last Answer : Yes, a redshift of 1 does equal to a light travel distance ofnearly 8 billion years (i.e. 7.7 billion years).

Each morning I appear To lie at your feet, All day I will follow No matter how fast you run, Yet I nearly perish In the midday sun. -Riddles

Description : Each morning I appear To lie at your feet, All day I will follow No matter how fast you run, Yet I nearly perish In the midday sun. -Riddles

Last Answer : A shadow

Each morning I appear To lie at your feet, All day I will follow No matter how fast you run, Yet I nearly perish In the midday sun.What am I? -Riddles

Description : Each morning I appear To lie at your feet, All day I will follow No matter how fast you run, Yet I nearly perish In the midday sun.What am I? -Riddles

Last Answer : I am your shadow.

Each morning I appear To lie at your feet, All day I will follow No matter how fast you run, Yet I nearly perish In the midday sun. What am I? -Riddles

Description : Each morning I appear To lie at your feet, All day I will follow No matter how fast you run, Yet I nearly perish In the midday sun. What am I? -Riddles

Last Answer : Your shadow.

The surface temperature of the Sun is nearly - (1) 2000K (2) 4000K (3) 6000K (4) 8000K

Description : The surface temperature of the Sun is nearly - (1) 2000K (2) 4000K (3) 6000K (4) 8000K

Last Answer : (3) 6000K

Is a redshift of 0.6 equal to a light travel distance of nearly 6 billion years?

Description : Is a redshift of 0.6 equal to a light travel distance of nearly 6 billion years?

Last Answer : Yes, a redshift of 0.6 does equal to a light travel distance ofnearly 6 billion years (i.e. 5.7 billion years).

Siva leaves chennai at 3 am and reaches Hyderabad at 11 am . Anirudh leaves Hyderabad at 5 am and reaches chennai at 12:00 noon. At what time do they cross each other? a) 7 : 52am b) 8 : 25am c) 6 : 52am d) 9 : 25am

Description : Siva leaves chennai at 3 am and reaches Hyderabad at 11 am . Anirudh leaves Hyderabad at 5 am and reaches chennai at 12:00 noon. At what time do they cross each other? a) 7 : 52am b) 8 : 25am c) 6 : 52am d) 9 : 25am

Last Answer : C Time taken by Siva = 8 h Time taken by Anirudh = 7 h For your convenience take the product of times taken by both as a distance. Then the distance = 56km Since, Siva covers half of the distance in 2 ... by them = 28/15 = 1 hr 52 min Thus , they will cross each other at 6 : 52am.

Two radioactive elements X and Y have half lives 6 min and 15 min respectively. An experiment starts with 8 times as many atoms of X as Y. how long it

Description : Two radioactive elements X and Y have half lives 6 min and 15 min respectively. An experiment starts with 8 times as many atoms of X as Y. how long it

Last Answer : Two radioactive elements X and Y have half lives 6 min and 15 min respectively. An experiment starts with 8 times ... B. 12 min C. 48 min D. 30 min

Following observations were made during examination of a newborn child. On the basis of given observations, ascertain the APGAR score (1) Newborn makes grimaces on stimulation of sole of the Foot. (2) Respiration slow & irregular (3) Heart rate – 90/min (4) There was some flexion of the limbs (5) Color of the body was pink Options: 1) 5 2) 6 3) 7 4) 8

Description : Following observations were made during examination of a newborn child. On the basis of given observations, ascertain the APGAR score (1) Newborn makes grimaces on stimulation of sole of the Foot. (2) Respiration slow & irregular (3 ... 5) Color of the body was pink Options: 1) 5 2) 6 3) 7 4) 8

Last Answer : Correct Answer: 2) 6

If a={5,6,7,8}, which of the following statements is false? a) print(len(a)) b) print(min(a)) c) a.remove(5) d) a[2]=45

Description : If a={5,6,7,8}, which of the following statements is false? a) print(len(a)) b) print(min(a)) c) a.remove(5) d) a[2]=45

Last Answer : Answer: d Explanation: The members of a set can be accessed by their index values since the elements of the set are unordered.

Two taps P and Q can fill a cistern in 24 min and 32 min respectively. Both the taps are opened together for a certain time but due to some obstruction the flow of water was restricted to 7/4 of full flow in tap P and 5/3 of full in tap Q. This obstruction is removed after some time and cistern is now filled in 6min from that moment. How long was it before the full flow. A) 8 min B) 3 min C) 5.6 min D) 4.5 min

Description : Two taps P and Q can fill a cistern in 24 min and 32 min respectively. Both the taps are opened together for a certain time but due to some obstruction the flow of water was restricted to 7/4 of full flow in tap P and ... How long was it before the full flow. A) 8 min B) 3 min C) 5.6 min D) 4.5 min

Last Answer : D Let the obstruction remain for X min.  Hence, Part of cistern filled in X min + part of cistern filled in 6 min = full cistern [(7X/4*24)+(5X/3*32)]+[(6/24)+(6/32)] = 1 (12X/96)+(7/16) = 1 12x/96=9/16 Thus, X = 4.5 min.

What happens when the expansion of the Universe reaches the speed of light?

Description : What happens when the expansion of the Universe reaches the speed of light?

Last Answer : answer:The short answer is: It can’t. The observation of speed is relative, not absolute.

Where does light go when it reaches the shadows?

Description : Where does light go when it reaches the shadows?

Last Answer : The nether

As the universe expands faster and faster and reaches the speed of light, it crosses it. Then it will stop, accelerate further or its speed will become steady. Is everything slowing down or exploding?

Description : That's what I was thinking.

Last Answer : If so, I think the rate of expansion will be constant. Although there is already a theory that the universe is not expanding.

What is a neutron star which a Emits radiation that reaches the earth as radio waves and flashes of visible light?

Description : What is a neutron star which a Emits radiation that reaches the earth as radio waves and flashes of visible light?

Last Answer : pulsar

White clothes are cooler than black ones because they – (1) absorb all the light that reaches them (2) reflect all the light that reaches them (3) will not allow the light to penetrate (4) cool the sunlight completely

Description : White clothes are cooler than black ones because they – (1) absorb all the light that reaches them (2) reflect all the light that reaches them (3) will not allow the light to penetrate (4) cool the sunlight completely

Last Answer : (2) reflect all the light that reaches them Explanation: The coolness and warmth associated with clothes is because of their reflective or absorptive capacities. White clothes are good reflectors of light, thereby keeping the body cool. The opposite is the case with black clothes.

An AC generator panel is fitted with both synchronizing lamps and a synchroscope. When the synchroscope pointer reaches the noon position, one synchronizing light is bright and the other is dark. This means _____________. A. there is a ground on the phase with the dark lamp B. the phase sequence is incorrect C. the phase sequence is correct D. the generator breaker may be closed

Description : An AC generator panel is fitted with both synchronizing lamps and a synchroscope. When the synchroscope pointer reaches the noon position, one synchronizing light is bright and the other is dark. This ... sequence is incorrect C. the phase sequence is correct D. the generator breaker may be closed

Last Answer : Answer: B

Moon light reaches to earth in------seconds? A. 0.3 seconds B. 1.3 seconds (Answer) C. 2.3 seconds D. 3.3 seconds

Description : Moon light reaches to earth in------seconds? A. 0.3 seconds B. 1.3 seconds (Answer) C. 2.3 seconds D. 3.3 seconds

Last Answer : B. 1.3 seconds (Answer)

True statements about visual adaptation include: a. light adaptation takes longer than dark adaptation b. dark adaptation reaches its maximum in about 20 minutes c. in dark adapted eye, a higher intensity of light is required to stimulate cones than rodsd. people who wear red goggles in the light adapt quicker in the dark than those who do not wear them

Description : True statements about visual adaptation include: a. light adaptation takes longer than dark adaptation b. dark adaptation reaches its maximum in about 20 minutes c. in dark adapted eye, a higher intensity ... wear red goggles in the light adapt quicker in the dark than those who do not wear them

Last Answer : in dark adapted eye, a higher intensity of light is required to stimulate cones than rods

White clothes are cooler than black ones because they (1) absorb all the light that reaches them (2) reflect all the light that reaches them (3) will not allow the light to penetrate (4) cool the sunlight completely

Description : White clothes are cooler than black ones because they (1) absorb all the light that reaches them (2) reflect all the light that reaches them (3) will not allow the light to penetrate (4) cool the sunlight completely

Last Answer : reflect all the light that reaches them

Suns heat reaches us by – (1) Conduction (2) Convection (3) Radiation (4) Reflection

Description : Suns heat reaches us by – (1) Conduction (2) Convection (3) Radiation (4) Reflection

Last Answer : (3) Radiation Explanation: Radiation is a process in which energetic particles or energetic waves travel through vacuum, or through matter-containing media that are not required for their propagation. The sun' ... frequencies), but those from the sun are mainly infra-red, visible, and ultra-violet.