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Represent graphically by two separate di...

Represent graphically by two separate diagrams in each case :
(i) Two sound waves having the same amplitude but different frequencies.
(ii) Two sound waves having the same frequency but different amplitudes.
(iii) Two wound waves having different amplitudes and also different wavelengths.

Text Solution

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In both cases (a) and (b), same amplitude but different frequencies `(A_(1)=A_(2))` .
(ii)
In both cases (a) and (b) same frequency and different amplitudes i.e., `(A_(1)ne A_(2))`
(iii)
In both cases (a) and (b) , different amplitudes and different wavelengths
`i.e., " "A_(1) ne A_(2), lambda_(1) ne lambda_(2)`.
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Knowledge Check

  • Two sounds, waves, having sinusoidal wave from but different wavelengths and different amplitudes are said to have

    A
    the same quality but different intensity
    B
    different quality but same intensity
    C
    same quality and same intensity
    D
    different quality and different intensity.
  • When two sound sources of the same amplitude but of slightly different frequencies v_(1) and v_(2) are sounded simultaneously, the sound one hears has a frequency equal to

    A
    `abs(upsilon_(1)-upsilon_(2))`
    B
    `abs((upsilon_(1)-upsilon_(2))/2)`
    C
    `sqrt(upsilon_(1)upsilon_(2))`
    D
    `abs(upsilon_(1)+upsilon_(2))`
  • Two sounds A and B are of same amplitudes, same wave forms but of frequencies f and 2f respectively. Then :

    A
    B differ in quality from A
    B
    B is grave, A is shrill
    C
    B is shrill, A is grave
    D
    B is louder than A.
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