ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 27

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11th ICSE

IMPORTANT

Earn 100

The relation between phase difference and path difference is :

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Important Questions on Progressive Harmonic Waves

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11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 28

Two points are located at a distance of

10 m

and

15 m

from the source of oscillation. The period of oscillation is

0.05 s

and the velocity of the wave is

300 m s^{- 1}

. What is the phase difference between the oscillations of two points ?

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11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 29

The speed of a wave is

360 m s^{- 1}

and the frequency is

5 hertz

. The phase difference between two nearby particles is

60 °

. The path difference between them will be :

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 30

The amplitude

a

and the angular velocity

ω

of four waves are as following. Which wave has maximum intensity ?

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 31

If the amplitude

a

of sound waves be doubled but the frequency

n

lowered to one-fourth, the intensity

I

of sound at the same place will :

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IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 32

The ratio of intensities of two waves is

1 : 16

. The ratio of their amplitudes will be :

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11th ICSE

IMPORTANT

ISC Physics Class XI Part 1>Chapter 28 - Progressive Harmonic Waves>FOR DIFFERENT COMPETITIVE EXAMINATIONS>Q 33

As a wave propagates