Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 9

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In a resonance column tube, $1^{st}$ and $2^{nd}$ resonances occurred at $24 cm$ and $72.6 cm .$ What is the radius of the tube is. (velocity of sound $= 330 {ms}^{- 1}$ ).

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Important Questions on Waves

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 10

A whistle producing sound waves of frequency

5000 Hz

and is approaching a stationary person with speed

v .

If person can hear frequencies upto maximum

5500 Hz

, the maximum value of

v

upto which he can hear the whistle is [Speed of sound

v_{sound} = 350 {ms}^{- 1}

]

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 11

In a stretched string, speed of a _____ wave is

V = \sqrt{\frac{T}{μ}}

; where

T

is tension and

μ

is mass per unit length.

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 12

The _____ constant

k = \frac{2 π}{λ}

.

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 13

In standing wave, the points at which the amplitude is the largest are called _____.

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 14

In a closed organ pipe, the _____ frequency is equal to

\frac{v}{4 l}

.

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

In a sound wave, a displacement node is a _____ antinode.

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assignment>Q 18

What is the distance between a compression and a nearest rarefaction in longitudinal wave?

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Gamma Question Bank for Medical Physics>Chapter 15 - Waves>Assigment>Q 17

When a wave undergoes reflection at a denser medium, what happens to its phase?