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State the laws of reflection....

State the laws of reflection.

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(i) The angle of incidence of sound is equal to the angle of reflection.
(ii) When the sound wave is reflected by a surface then the incident wave, reflectede wave and the normal at the point of incidence all lie in the same plane.
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PREMIERS PUBLISHERS-WAVES-OTHER IMPORTANT & QUESTIONS ANSWERS ( SHORT ANSWER QUESTIONS. )
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  3. State the laws of reflection.

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  13. When are stationary waves produced?

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  17. Define angular frequency, wave number and wave vector.

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  18. Write the relation for velocity of longitudinal waves in, (i) One di...

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  19. Doppler effect in sound is called asymmetric, Explain.

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