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Most Important Selected Qs for JEE AdvancedPhysicsOscillations

A spring mass system is hanging from the ceiling of an elevator in equilibrium. The elevator suddenly starts accelerating upwards with acceleration a, consider all the options in the reference frame of elevator.

Options

  1. Athe frequency of oscillation is 1 2 k m
  2. Bthe amplitude of the resulting SHM is ma k
  3. Camplitude of resulting SHM is m ( g + a ) k
  4. Dmaximum speed of block during oscillation is ( m k ) a

Correct answer

D. maximum speed of block during oscillation is ( m k ) a

Step-by-step solution

(A) Isochronous system f = 1 2 k m (B) (C) v _ = A = k m ma k = m k a

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