When a string is divided into three segments of lengths l 1 , l 2 and l 3 the fundamental frequencies of these three segments are ν 1 , ν 2 and ν 3 respectively. The original fundamental frequency ν of the string is

1 ν = 1 ν 1 + 1 ν 2 + 1 ν 3

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 23

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The standing wave in a medium is expressed as $y = 0.2 \sin (0.8 x) \cos (3000 t) m .$ The distance between any two consecutive points of minimum or maximum displacement is

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Important Questions on Waves

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 24

The equation of a standing wave in a string fixed at both ends is given as

y = 2 A \sin k x \cos ω t

The amplitude and frequency of a particle vibrating at the mid of an antinode and a node are respectively

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 25

Two sinusoidal waves given below are superposed

y_{1} = A \sin (k x - ω t + \frac{π}{6})

and

y_{2} = A \sin (k x - ω t - \frac{π}{6})

. The equation of resultant wave is

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 26

For a particular resonance tube, following are four of the six harmonics below

1000 Hz

;

300, 600, 750

and

900 Hz

The two missing harmonics (in

Hz

) are

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 27

A second harmonic has to be generated in a string of length

l

stretched between two rigid supports. The points where the string has to be plucked and touched are respectively

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 28

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

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 30

In a closed organ pipe of length

105 cm

, standing waves are set up corresponding to third overtone. What distance from the closed end, a pressure node is formed?

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 31

A uniform string resonates with a tuning fork, at a maximum tension of

32 N .

If it is divided into two segments by placing a wedge at a distance onefourth of length from one end, then to resonance with same frequency the maximum value of tension for string will be

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 32

If in a stationary wave the amplitude corresponding to antinode is

4 cm

, then the amplitude corresponding to a particle of medium located exactly midway between a node and an antinode is

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The standing wave in a medium is expressed as y=0.2sin(0.8x)cos(3000t)m. The distance between any two consecutive points of minimum or maximum displacement is

Important Questions on Waves

Learn and Prepare for any exam you want !

The standing wave in a medium is expressed as $y = 0.2 \sin (0.8 x) \cos (3000 t) m .$ The distance between any two consecutive points of minimum or maximum displacement is