The phase difference between the two light waves arriving point is `2n pi `radians. The condition for maximum intensity of light at that point is

Question

The phase difference between the two light waves arriving point is `2n pi `radians. The condition for maximum intensity of light at that point is

The phase difference between the two light waves arriving point is `2n pi `radians. The condition for maximum intensity of light at that point is
A. `I_("max")=a_(1)+a_(2)`
B. `I_("max")=(a_(1)+a_(2))^(2)`
C. `I_("max")=(a_(1))/(a_(2))`
D. `I_("max")=(a_(1)+a_(2))/(a_(1)-a_(2))`

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
`I= R^(2)`
`=a_(1)^(2)+a_(2)^(2)+2a_(1)a_(2) cos (alpha_(1)-alpha_(2))`
`:. I_("max") =a_(1)^(2)+a_(2)^(2)+2a_(1)a_(2)`
`=(a_(1)+a_(2))^(2)`

4 views Answered 2023-02-05 15:29