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Indian Navy SSR Gravitation — practice questions

Explore 24 free Gravitation questions in Indian Navy SSR 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 1–24 of 24.

As per your syllabus, eqn 7.19, for depth d BELOW Earth's surface, the variation of g with d is which?Read the answer and worked solution →As per your syllabus, eqn 7.31, the escape speed from a planet of mass M and radius R is which expression?Read the answer and worked solution →As per your syllabus, the gravitational potential energy is a scalar quantity with dimensions which?Read the answer and worked solution →As per your syllabus, (geostationary satellite, not stated but standard), the orbital period of a geostationary satellite is which?Read the answer and worked solution →Conserved, or not conserved?Read the answer and worked solution →True or false: conservation under gravityRead the answer and worked solution →Complete the weightlessness explanationRead the answer and worked solution →True or false: weightlessnessRead the answer and worked solution →Kepler's third lawRead the answer and worked solution →Assertion and reasonRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Three of these are wrong. Find the one that holds.Read the answer and worked solution →Tap every quantity conserved for orbital motionRead the answer and worked solution →Flip and pair: law with what it saysRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Order the reasoning: why an astronaut floatsRead the answer and worked solution →True or false: Kepler's lawsRead the answer and worked solution →Which law is being described?Read the answer and worked solution →Orbits and satellitesRead the answer and worked solution →Tap every true statement about orbital motionRead the answer and worked solution →Complete Kepler's third lawRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Flip and pair: statement with its subjectRead the answer and worked solution →Assertion and reason: orbitsRead the answer and worked solution →

Worked practice questions

As per your syllabus, eqn 7.19, for depth d BELOW Earth's surface, the variation of g with d is which?

  1. g(d) = g (1 + d/R_E)
  2. g(d) = 0 always
  3. g(d) = g (1 − 2d/R_E)
  4. g(d) = g (1 − d/R_E)
Show answer and solution

Correct answer: D. g(d) = g (1 − d/R_E)

syllabus eqn 7.19: g(d) = g(1 − d/R_E). Only the inner sphere of radius (R−d) contributes outer shell adds zero.

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As per your syllabus, eqn 7.31, the escape speed from a planet of mass M and radius R is which expression?

  1. √(2 G M / R)
  2. √(G M / R²)
  3. √(G M / R)
  4. √(2 G M R)
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Correct answer: A. √(2 G M / R)

syllabus eqn 7.31: v_escape = √(2GM/R). Independent of mass of escaping object.

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As per your syllabus, the gravitational potential energy is a scalar quantity with dimensions which?

  1. [M L⁻¹ T⁻²]
  2. [M L T⁻²]
  3. [M L² T⁻²]
  4. [L T⁻²]
Show answer and solution

Correct answer: C. [M L² T⁻²]

Your syllabus: U is an energy ⇒ [M L² T⁻²]. SI unit J.

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