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As a wave propagates,Which of the follo...

As a wave propagates,Which of the following is a wrong option?

A

the wave intensity remains constant for a plane wave

B

the wave intensity decrease as the inverse of the distance from the source for a spherical waves

C

the wave intensity decreases as the inverse square of the distance from the source for a spherical wave.

D

total intensity of the spherical wave over the spherical surface remians constant at all times,while source is at the centre of spherical surface.

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The correct Answer is:
D
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TARGET PUBLICATION-WAVE MOTION -MCQ 7.1
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  6. The equation of a wave is y=4 sin[(pi)/(2)(2t+(1)/(8)x)] where y ...

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  7. The equation of a wave is y =4 sin {(pi)/(2) (2t +(x)/(8))} ,where y,x...

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  8. The equation of a wave of amplitude 0.02 m and period 0.04 s travellin...

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  9. The path difference between the two waves y(1)=a(1) sin(omega t-(2pi...

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