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Questions  

If the ratio of amplitude of two waves is 4 : 3. Then the ratio of maximum and minimum intensity will be

a
16 : 18
b
18 : 16
c
49 : 1
d
1 : 49

detailed solution

Correct option is C

ImaxImin=a1a2+1a1a2−12=43+143−12=491

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Two waves are propagating to the point P along a straight line produced by two sources A and B of simple harmonic and of equal frequency. The amplitude of every wave at P is ‘a’ and the phase of A is ahead by π3 than that of B and the distance AP is greater than BP by 50 cm. Then the resultant amplitude at the point P will be, if the wavelength is 1 meter 


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