Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 16

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A stretched string is fixed at both its ends. Three possible wavelengths of stationary wave patterns that can be set up in the string are $90 cm, 60 cm$ and $45 cm .$ The length of the string may be

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Important Questions on Waves

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 33

The echo of a gunshot is heard

10

seconds after it is fired. If the velocity of sound is

330 m s^{- 1},

the distance of the surface which reflects the sound is

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment>Q 1

The equation of a wave, giving the displacement

y

is given by

y = 10^{- 3} \sin (120 t + 3 x)

where,

x

and

y

are in metre and

t

is in second. This equation represents a wave

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 20

In a stationary wave, all the particles of the medium cross the mean position with

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 21

The difference between the frequencies of the third and fifth harmonic of a closed organ pipe is

100 Hz .

Its fundamental frequency is

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 22

In standing waves, select incorrect

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 24

The ratio of fundamental frequencies of an open organ pipe and a closed organ pipe of same length at same temperature is

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 26

If consecutive frequencies emitted from an organ pipe are

50 Hz, 75 Hz, 100 Hz, 125 Hz .

then the frequency of the

10^{th}

overtone is

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Gamma Question Bank for Engineering Physics>Chapter 14 - Waves>Assignment Set-2>Q 31

The equation of a stationary wave is represented by

y = 4 \sin (\frac{π x}{6}) (\cos 20 π t)

where

x

and

y

are in

cm

and

t

is in second.
Wavelength of the component waves is