Two waves of same frequency and same amplitude from two monochromatic sources are allowed to superpose at a certain point. If in one case the phase di

Question

Two waves of same frequency and same amplitude from two monochromatic sources are allowed to superpose at a certain point. If in one case the phase di

Two waves of same frequency and same amplitude from two monochromatic sources are allowed to superpose at a certain point. If in one case the phase difference is 0 and in other case it is `pi//2` then the ratio of the intensities in the two cases will be
A. `1:1`
B. `2:1`
C. `4:1`
D. None of these

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Case I, Resultant amplitude `A_(1)=2A`
`therefore I_(1)=4I`
Case II, Resultant amplitude
`A_(2)=sqrt(2)A rArr I_(2)=2I rArr (I_(1))/(I_(2))=(2)/(1)`

4 views Answered 2023-02-05 15:29