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The phase difference between two waves r...

The phase difference between two waves reaching a point is `pi//2`. What is the resultant amplitude, if the individual amplitudes are `3mm and 4mm` ?

Text Solution

Verified by Experts

`R = sqrt(a^(2) + b^(2) + 2 ab cos pi//2) = sqrt(3^(2) + 4^(2))`
`= 5mm`
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