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Q. No.Given below are two statements:
Assertion (A):
An astronaut in an orbiting space station above the Earth experiences weightlessness.
Reason (R):
An object moving around the earth under the influence of the earth's gravitational forces is in a state of 'free fall'.
1.
Both (A) and (R) are true and (R) is the correct explanation of (A).
2.
Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.
(A) is true but (R) is false.
4.
Both (A) and (R) are false.
Subtopic: Â Satellite |
 64%
From NCERT
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Given below are two statements:
| Assertion (A): | The satellites equipped with electronic devices are called active satellites. |
| Reason (R): | Passive satellite works as active satellite. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Â Satellite |
 58%
From NCERT
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Given below are two statements:
| Assertion (A): | A satellite moving in a circular orbit around the earth has a total energy \(E_0,\) then its potential energy is \(-E_0.\) |
| Reason (R): | Potential energy of the body at a point in a gravitational field of orbit is \(\frac{-GMm}{R}\). |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | (A) is false but (R) is true. |
Subtopic: Â Gravitational Potential Energy |
 75%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | There is no effect of rotation of earth on acceleration due to gravity at poles. |
| Reason (R): | Rotation of earth is about the polar axis. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Acceleration due to Gravity |
 63%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | A tennis ball bounces higher on hills than on plains. |
| Reason (R): | Acceleration due to gravity on the hill is greater than that on the surface of the earth. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Acceleration due to Gravity |
 59%
From NCERT
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| Assertion (A): | The orbit of a satellite is within the gravitational field of earth whereas escaping is beyond the gravitational field of earth. |
| Reason (R): | The orbital velocity of a satellite is greater than its escape velocity. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Orbital velocity |
 80%
From NCERT
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Given below are two statements:
| Assertion (A): | Generally the path of a projectile from the Earth is parabolic but it is elliptical for a projectile going to a very great height. |
| Reason (R): | At the ordinary height, the projectile moves under a uniform gravitational force, but for great heights, the projectile moves under a variable force. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Acceleration due to Gravity |
 78%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | The angular velocity of a planet orbiting around the sun increases when it is nearest to the sun. |
| Reason (R): | Angular momentum of a body is proportional to angular velocity. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Kepler's Laws |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements:
| Assertion (A): | A body becomes weightless at the centre of the earth. |
| Reason (R): | As the distance from the centre of earth decreases, acceleration due to gravity increases. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Acceleration due to Gravity |
 61%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements:
| Assertion (A): | The binding energy of a satellite depends upon the mass of the satellite. |
| Reason (R): | Binding energy is the negative value of the total energy of a satellite. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Satellite |
 60%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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