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if any wave is reflected by an obstacle and ratio of amplitude of antinode to the node is 8. the percentage of energy that is transmitted is?

if any wave is reflected by an obstacle and ratio of amplitude of antinode to the node is 8. the percentage of energy that is transmitted is?

Grade:12

1 Answers

praneeth bonu
18 Points
11 years ago

A1+A2/A1-A2=8

A1/A2=9/7

ENERGY PROP. TO AMPLITUDE^2

SO,% of energy transmitted =[9/7]^2multiplyed by 100

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