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Class XI Physics Oscillations 4
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Question 1
The time period of a ring of radius R suspended from a peg and the time period of a thin rod of length L suspended from one end are the same. The relation between L and R is-
Question 2
A mass is suspended from a spring of force constant and just touches another identical spring fixed to the floor as shown in the figure. The time period of small oscillations is
Question 3
The ratio of kinetic energy to the potential energy of a particle executing SHM at a distance equal to half its amplitude, the distance being measured from its equilibrium position is
Question 4
A 10 kg metal block is attached to a spring of spring constant 1000 N m-1. A block is displaced from equilibrium position by 10 cm and released. The maximum acceleration of the block is
Question 5
Two simple harmonic motions are given by X1 = a sin ωt + a cosωt and x2 = a sin ωt + cos ωt. The ratio of the amplitudes of first and second motion and the phase difference between them are respectively.
Question 6
A longitudinal wave is represented by . The maximum particle velocity will be four times the wave velocity if
Question 7
The equation of progressive wave is
where x is in meter and t is in second. The velocity of the wave is
where x is in meter and t is in second. The velocity of the wave is
Question 8
The displacement of a particle in S. H. M. varies according to the relation x= 4 (cos t+sin t). The amplitude of the particle is
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