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Indian Navy SSR Waves & Oscillations — practice questions

Explore 29 free Waves & Oscillations questions in Indian Navy SSR Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Waves & Oscillations questions and exercises with answers

Showing questions 1–29 of 29.

In circular motion at radius r and speed v, the centripetal acceleration is:Read the answer and worked solution →As per your syllabus, for a body of constant mass, the second law reduces to which form?Read the answer and worked solution →As per your syllabus, the total momentum of an ISOLATED system (no external force) is which?Read the answer and worked solution →As per your syllabus, which statement about the labels is true?Read the answer and worked solution →As per your syllabus, KINETIC (sliding) friction is approximately given by which relation?Read the answer and worked solution →As per your syllabus, the coefficients of static and kinetic friction satisfy which order?Read the answer and worked solution →Order the atomic models in this chapterRead the answer and worked solution →True or false: Rutherford's two difficultiesRead the answer and worked solution →Which model does this belong to?Read the answer and worked solution →Complete Bohr's first postulateRead the answer and worked solution →True or false: line spectraRead the answer and worked solution →Charge and neutralityRead 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 problem Bohr's model was built to solveRead the answer and worked solution →Flip and pair: model with its pictureRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Strength or weakness?Read the answer and worked solution →Complete the size of the nucleusRead the answer and worked solution →Reading the models backRead the answer and worked solution →Bohr's postulatesRead the answer and worked solution →Explained, or left unexplained?Read the answer and worked solution →True or false: the nucleusRead the answer and worked solution →Order the argument: why Rutherford's atom should collapseRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Assertion and reason: modelsRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Flip and pair: problem with the model that solved itRead the answer and worked solution →

Worked practice questions

In circular motion at radius r and speed v, the centripetal acceleration is:

  1. v/r
  2. v²/r
  3. r/v
  4. mv²
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Correct answer: B. v²/r

a_centripetal = v²/r — directed toward the center. Alternatively, a = ω²r where ω is angular velocity. This is the acceleration required to keep the body on its circular path.

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As per your syllabus, for a body of constant mass, the second law reduces to which form?

  1. F = m a
  2. F = m / a
  3. F = m × p
  4. F = m × v
Show answer and solution

Correct answer: A. F = m a

Your syllabus: F = d(mv)/dt = m dv/dt = m a (since m is constant).

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As per your syllabus, the total momentum of an ISOLATED system (no external force) is which?

  1. Always increasing
  2. Always zero
  3. Only the speed is conserved
  4. Conserved
Show answer and solution

Correct answer: D. Conserved

Your syllabus: F_ext = 0 ⇒ dP_total/dt = 0 ⇒ P_total constant. Holds in any inertial frame valid for elastic AND inelastic collisions.

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