A pulse is y ( x , t ) = ( 3 x − 6 t ) 2 + 2 0.6 ( x , y in metre, t in second). Which statements are correct?

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PhysicsWave on StringWavesHard2 minQB

PhysicsHardmultiple choice

A pulse is $y (x, t) = \frac{0.6}{( 3 x - 6 t ) ^{2} + 2}$ ( $x, y$ in metre, $t$ in second). Which statements are correct?

Answer:

A, B, C

Solution:

It depends on $3 x - 6 t$ , so it moves along $+ x$ at $v = 6/3 = 2$ m/s: 6 m in 3 s. Maximum = $0.6/2 = 0.3$ m.

Stream:JEESubject:PhysicsTopic:Wave on StringSubtopic:Waves

⏱ 2mℹ️ Source: QB

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