Sample questions
NDA2026
For an object in gravitational field, the gravitational potential is the same at two points A and B, but the gravitational field is not the same at these two points. Which one of the following statements is correct?
- A Positive work is done by gravity in moving the object from point A to point B.
- B Negative work is done by gravity in moving the object from point A to point B.
- C Gravity must be non-conservative in such a region.
- D No work is done by gravity in moving the object from point A to point B. ✓
✓ Correct answer: (D)
Science & Technology › Physics & Chemistry
CDS2025
Which one among the following statements is not correct ?
- A All bodies in the universe attract each other due to the gravitational force.
- B Newton's law of gravitation follows from Newton's laws of motion. ✓
- C The value of g (acceleration due to gravity) at the centre of the Earth is zero.
- D Mass and weight are measured in different units.
✓ Correct answer: (B)
Science & Technology › Physics & Chemistry
CDS2025
The force with which the Earth attracts an object is called :
- A Weight of the object ✓
- B Mass of the object
- C Density of the object
- D Magnitude of the object
✓ Correct answer: (A)
Science & Technology › Physics & Chemistry
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