- 1(current)
Q. No.A body is falling freely under the action of gravity alone in a vacuum. Which of the following quantities remain constant during the fall?
| 1. | kinetic energy |
| 2. | potential energy |
| 3. | total mechanical energy |
| 4. | total linear momentum |
Subtopic: Gravitational Potential Energy |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo inclined frictionless tracks, one gradual and the other steep meet at \(A\) from where two stones are allowed to slide down from rest, one on each track as shown in the figure.
Which of the following statement is correct?
| 1. | Both stones reach the bottom at the same time but not at the same speed. |
| 2. | Both the stones reach the bottom with the same speed and stone I reaches the bottom earlier than stone II. |
| 3. | Both the stones reach the bottom with the same speed and stone II reaches the bottom earlier than stone I. |
| 4. | Both stones reach the bottom at different times and at different speeds. |
Subtopic: Gravitational Potential Energy |
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
To view explanation, please take trial in the course below.
NEET 2025 - Target Batch
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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