Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 102

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The graph shows three waves which are separately sent along a string that is stretched under a certain tension along the $x$ -axis. If $ω_{1}, ω_{2}$ and $ω_{3}$ are their angular frequencies, respectively, then,

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Important Questions on Wave Motion on a String

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 103

Which of the following function correctly represent the travelling wave equation for finite values of

x

and

t

?

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 104

When a wave travels in a medium the displacement of the particle is given by the equation

y (x, t) = 0.03 \sin π (2 t - 0.01 x)

, where

y

and

x

are in metre and

t

in second. The wavelength of the wave is:

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 105

Which of the following equations represents a wave travelling along $Y -$ axis?

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 106

The phase difference between two waves represented by

y_{1} = 10^{- 6} \sin [100 t + (x / 50) + 0.5] m

y_{2} = 10^{- 6} \cos [100 t + (x / 50)] m

Where

x

is expressed in metres and

t

is expressed in second is approximately

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 107

A transverse stationary wave passes through a string with the equation

y = 10 \sin π (0.02 x - 2.00 t)

where

x

is in meters and $t$ in seconds. The maximum velocity of the particles in wave motion is

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 108

Which one of the following represents a wave -

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 109

The equations of displacement of two waves are given as $y_{1} = 10 \sin (3 π t + \frac{π}{3})$ ,
$y_{2} = 5 (\sin 3 π t + \sqrt{3} \cos 3 π t) .$ Then what is the ratio of their amplitudes?

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 110

When a wave enters from air to any medium, then what remains unchanged