Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 87

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The number of waves, contained in unit length of the medium, is called

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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 88

A wave is represented by,

y = 3 \sin 2 π (\frac{t}{0.04} - \frac{X}{0.01}) cm

. The frequency of the wave and the maximum acceleration under this frequency are,

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 89

The equation of a wave is given by

y = 10 \sin (\frac{2 π t}{30} + α)

. If the displacement is

5 cm

at

t = 0

, then the total phase at

t = 7.5 s

will be,

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 90

If the distance between two consecutive crests is

5 cm

and

2

waves passes from a point in

1 s

, the wave velocity is,

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 91

A plane wave is represented by,

x = 1.2 \sin (314 t + 12.56 y)

where,

x

and

y

are distances measured along the

x

and

y

directions in

meters

and

t

is time in

seconds

. This wave has,

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 92

The equation of progressive wave is,

y = 0.02 \sin (30 t - 4 x)

where,

y

and

t

are in

meter

and

second

. Then, the velocity of wave is,

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 93

The equation of a progressive wave is given by,

y = a \sin (ω t - k x)

. Then, which of the following equations is not correct?

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 94

The equation of a progressive wave is,

y = 10 \sin π (0.01 x - 2 t) cm

. The value of frequency in

Hz

will be,

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Alpha Question Bank for Medical: Physics>Chapter 20 - Wave Motion on a String>Exercise-1>Q 95

The displacement represented by,

y (x, t) = a \cos (k x + ω t)

represents,