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Question 31111
JEE Physics · Hard

Simple Harmonic Motion: Time Period MCQ

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Time PeriodHardQuestion 31111

Question

A spring of constant k is cut into n equal pieces. Spring constant of each piece is:
  1. A
    k/n
  2. B
    nk
    Correct
  3. C
    k
  4. D
    k√n

Correct answer

nk

Explanation

Spring constant ∝ 1/length. Cutting into n pieces makes each n times shorter, so each piece has spring constant nk.

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