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qUESTIONS

12th-cet

A particle is executing simple harmonic motion with an amplitude A and time period T. The displacement of the particle after 2 period from its initial position is

12th-cet

The frequency f of oscillation of the two spring-mass system as shown is

12th-cet

If ‘x’, ‘v’ and ‘a’ denote the displacement, velocity and acceleration of a particle executing SHM respectively of time period ‘T’, then which one of the following does not change with time?

12th-cet

A particle executes SHM starting from the mean position. Its amplitude is ‘A’ and its periodic time is ‘T’. At a certain instant, its speed ‘u’ is half that of maximum speed ‘v’. max The displacement of the particle at that instant is

12th-cet

A particle is executing S.H.M of amplitude ‘A’ and time period 4 second. Then the time taken by it to move from the extreme position to half the amplitude is (in second) (sin 30 deg = 0.5)

12th-cet

For a particle performing SHM which of the following statements is INCORRECT

12th-cet

A body is executing SHM Its potential energy is ‘P1’ and ‘P2’ at displacements ‘x’ and ‘y’ respectively. The potential energy at displacement (x + y) is

12th-cet

Two particles ‘A’ and ‘B’ performs SHM, starting from mean position have periodic time ‘T’ and ‘3T/2’ respectively. The phase difference between particle A and B when particle A completes one oscillation is

12th-cet

A simple pendulum of length 2m and mass of the bob as 0.5 kg is given a tension of 10 N. If the bob is whirled in a horizontal plane then the angle made by the string with vertical during rotation is

12th-cet

A spring has length ‘l’ and force constant ‘K’. If is cut into two springs of length ‘l1’ and ‘l2’ such that, l1 = nl2 (n is integer). The force constant of the spring of length l2 is

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