Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 14

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IMPORTANT

Earn 100

Select the wrong statement for a stationary wave.

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Important Questions on Stationary Waves

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IMPORTANT

Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 15

In stationary waves, all particles in between two nodes pass through the mean position

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Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 16

The fundamental (first harmonic) frequency for a particular organ pipe is

330 Hz .

The pipe is closed at one end but open at the other. What is the frequency of its first overtone?

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Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 17

In the case of a closed organ pipe, in which harmonic the

p^{th}

overtone will be?

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Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 18

Stationary waves are produced in a

10 m

long stretched string. If the string vibrates in

5

segments and the wave velocity is

20 m s^{- 1}

, then the frequency is

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Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 19

The speed of transverse waves in a stretched string is

700 cm s^{- 1}

. If the string is

2 m

long, then the frequency with which it resonates in fundamental mode is

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Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 20

A transverse wave, traveling along the positive

x -

axis, given by

y = A \sin (k x - ω t)

is superimposed with another wave traveling along the negative

x -

axis given by

y = - A \sin (ω t - k x)

. The point

x = 0

is

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Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 21

A wire having a linear mass density

5 .0 \times 10^{- 3} kg m^{- 1}

is stretched between two rigid supports with a tension of

450 N

. The wire resonates at a frequency of

420 Hz

. The next higher frequency at which the same wire resonates is

490 Hz

. Find the length of the wire.

EASY

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IMPORTANT

Physics Crash Course MHT-CET>Chapter 10 - Stationary Waves>Exercise 1>Q 22

What happens to the natural frequency of vibration of stretched string when its length and diameter are increased?