NDA Gravitation — practice questions — page 2

Explore 31 free Gravitation questions in NDA Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Gravitation questions and exercises with answers

Showing questions 31–31 of 31.

Assertion and reason: orbitsRead the answer and worked solution →

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Assertion and reason: orbits

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Questions

Reason
Gravity supplies exactly the force that curves its path.
Verdict
Both are true; the reason explains the assertion.
Assertion
A satellite needs no engine to stay in orbit.
Reason
Its constant is the same for all bodies orbiting the same primary.
Verdict
Both are true; the reason explains the assertion.
Assertion
Kepler's third law lets you compare two orbits.
Reason
Angular momentum is conserved in orbit.
Verdict
The assertion is false and the reason is true.
Assertion
Linear momentum is conserved in orbit.

The reason must genuinely explain the assertion. Source: syllabus Physics, Ch 7 Gravitation.

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