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Question: Two interfering waves have intensities in the ratio 9 : 1. Then the ratio of maximum to minimum ampl...

Two interfering waves have intensities in the ratio 9 : 1. Then the ratio of maximum to minimum amplitude is –

A

4 : 2

B

10 : 8

C

16 : 4

D

81 : 1

Answer

4 : 2

Explanation

Solution

= Ž = a1+a2a1−a2\frac { a _ { 1 } + a _ { 2 } } { a _ { 1 } - a _ { 2 } }