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The time period of a body suspended by a spring is T. What will be the new time period if the spring is cut into two equal parts and 1) the body is suspended by one part. 2) Suspended by both parts in

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A simple pendulum is executing Simple harmonic motion with a time T. If the length of the pendulum is increased by 21 %. Find the increase in its time

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A particle is executing S H M of amplitude 4 cm and T = 4 sec. find the time taken by it to move from positive extreme position to half of its

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Two linear simple harmonic motions of equal amplitudes and angular frequency w and 2 w are impressed on a particle along axis X and Y respectively. If the initial phase difference between them is `π/2` , find the resultant path followed by the

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The acceleration due to gravity on the surface of moon is 1.7 m/`s^2`. What is the time period of simple pendulum on moon if its time period on the earth is

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Using the correspondence of S. H. M. and uniform circular motion, find displacement, velocity, amplitude, time period and frequency of a particle executing

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Explosions on other planets are not heard on earth.

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Why longitudinal waves are called pressure

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Why do tuning forks have two

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A pipe 20 cm long is closed at one end. Which harmonic mode of the pipe is resonantly excited by a 430 Hz source? Will this source be in resonance with the pipe if both the ends are

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Can beats be produced in two light sources of nearly equal

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A person deep inside water cannot hear sound waves produces in air.

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If the splash is heard 4.23 seconds after a stone is dropped into a well. 78.4 metes deep, find the velocity of sound in

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How roar of a lion can be differentiated from bucking of a

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Explain briefly the analytical method of formation of

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Give two cases in which there is no Doppler effect in

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The length of a sonometer wire between two fixed ends is 110cm. Where the two bridges should be placed so as to divide the wire into three segments whose fundamental frequencies are in the ratio of

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What is the relation between uniform circular motion and

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What is the minimum condition for a system to execute

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