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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 + $Description: E:\WBJEE\2013\2013_Physics_files\image194.png$ 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 $Description: E:\WBJEE\2010\WBJEE-2010_Physics_files\image094.png$ . The maximum particle velocity will be four times the wave velocity if

Question 7

The equation of progressive wave is
$Description: E:\WBJEE\2010\WBJEE-2010_Physics_files\image089.png$
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 $Description: E:\WBJEE\2011\2011_Physics_files\image142.png$ t+sin $Description: E:\WBJEE\2011\2011_Physics_files\image142.png$ t). The amplitude of the particle is

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May 6JEE & BITSAT