NEET Physics Waves Questions Solved

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The intensity level due to two waves of the same frequency in a given medium are 1 bel and 5 bel. Then the ratio of amplitudes is

(1) 1 : 4

(2) 1 : 2

(3) 1 : 104

(4) 1 : 102

(4) By using L=log10II0

L2L1=log10I2I0log10I1I0

51=log10I2I14=log10I2I1I2I1=104

a22a12=104a2a1=1021a1a2=1102

Difficulty Level:

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