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What is the necessary condition for the ...

What is the necessary condition for the formation of stationary waves ?

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A stationary wave cant' be formed from two independent waves travelling in a medium in opposite directions. Acutually stationary wave in produced when a progressive wave and its reflected waves are superposed. It can be produced in a finite medium which has its boundaries.
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PREMIERS PUBLISHERS-WAVES-OTHER IMPORTANT & QUESTIONS ANSWERS ( SHORT ANSWER QUESTIONS. )
  1. What do you understand by the word speculaar reflection ?

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  2. Draw the diagram to depict reflection of sound (a) plane surface, (b) ...

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  3. Define wave vector and reciprocal vectors also write the relationship ...

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  4. Is an oscillation a wave ? Give reason.

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  5. What will be the velocity of sound in a perfectly rigid rod ? Given re...

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  6. What do you understand by the term Reverberation ?

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  7. State principle of superposition.

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  8. Name the three effect (applications) of superpositin of waves.

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  9. What is the necessary condition for the formation of stationary waves ...

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  10. When are stationary waves produced?

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  11. Two sound of very close frequencies say 256 Hz and 260 Hz are produced...

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  12. Define amplitude of the wave.

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  13. On what factors velocity of transverse wave in a string depends ?

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

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

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

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  17. State the laws of reflection.

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  18. What do you understand by the word speculaar reflection ?

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  19. Draw the diagram to depict reflection of sound (a) plane surface, (b) ...

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  20. Define wave vector and reciprocal vectors also write the relationship ...

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