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Q. No.Given below are two statements:
Assertion (A):
A rocket works on the principle of conservation of linear momentum.
Reason (R):
Higher is the velocity, smaller is the pressure and vice-versa.
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: Application of Laws |
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Given below are two statements:
| Assertion (A): | In a non-uniform circular motion, the acceleration of the particle is equal to the vector sum of the tangential acceleration and the centripetal acceleration. |
| Reason (R): | The two accelerations are perpendicular to each other. |
| 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: Non Uniform Vertical Circular Motion |
59%
From NCERT
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Given below are two statements:
| Assertion (A): | In a non-uniform circular motion, there are two types of accelerations i.e. centripetal and tangential. |
| Reason (R): | Tangential acceleration is responsible to change the speed of the particle moving in a circular motion. |
| 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: Non Uniform Vertical Circular Motion |
69%
From NCERT
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Given below are two statements:
| Assertion (A): | On a rainy day, it is difficult to drive a car or a bus at a high speed. |
| Reason (R): | The value of the coefficient of friction is lowered when the surface is wetted. |
| 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: Banking of Roads |
88%
From NCERT
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Given below are two statements:
| Assertion (A): | A cyclist leans inwards while taking a turn, while a man sitting in a car leans outward on a curve. |
| Reason (R): | Centripetal acceleration is acting towards the centre of the curve. |
| 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: Banking of Roads |
55%
From NCERT
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Given below are two statements:
| Assertion (A): | The driver in a vehicle moving at a constant speed on a straight road is in a non-inertial frame of reference. |
| Reason (R): | A reference frame in which Newton's law of motion is applicable is non-inertial. |
| 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: Application of Laws |
56%
From NCERT
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Given below are two statements:
| Assertion (A): | The use of ball bearings between two moving parts of a machine is a common practice. |
| Reason (R): | Ball bearings reduce vibrations and provide good stability. |
| 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: Friction |
From NCERT
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Given below are two statements:
| Assertion (A): | A man in a closed cabin, which is falling freely, does not experience gravity. |
| Reason (R): | Inertial and gravitational mass have equivalence. |
| 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: Application of Laws |
From NCERT
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Given below are two statements:
| Assertion (A): | The principle of rocket propulsion is a special case of a variable mass system. |
| Reason (R): | The principle of rocket propulsion can be explained by Newton's second law. |
| 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: Application of Laws |
54%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Given below are two statements:
| Assertion (A): | It is difficult to move a bicycle along a road with its brakes on. |
| Reason (R): | When a bicycle moves with its brakes on, it skids and sliding friction is greater than rolling friction. |
| 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: Friction |
83%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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