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The intensity ratio of two waves is 1:9. The ratio of their amplitudes, is
(a)3:1
(b)1:3
(c)1:9
(d)9:1

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Important Questions on Waves
EASY
A uniform string of length is suspended from a rigid support. A short wave pulse is introduced at its lowest end. It starts moving up the string. The time taken to reach the support is
(Take, )

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EASY

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HARD

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The amplitude and time period of the motion are:

EASY

EASY

EASY

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A transverse wave propagating on a stretched string of linear density is represented by the equation
where, in metres and is in seconds. The tension in the string (in Newton) is

HARD

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HARD

