The amplitude of two waves are in ratio 5 : 2. If all other conditions for the two waves are same, then what is the ratio of their energy densities
A. `5 : 2`
B. `10 : 4`
C. `2.5 : 1`
D. `25 : 4`

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1 Answers

Correct Answer - D
`(u_(1))/(u_(2)) = (A_(1)^(2))/(A_(2)^(2)) = (25)/(4)`

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