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Pradeep Jogsan posted an Question
November 10, 2020 • 04:20 am
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30 points
30 points
- IIT JAM
- Physics (PH)
The intensity of the primary maximum in a two-slit interference pattern is given by, and the intensity of the primary maximum in a three-slit interference patte
The intensity of the primary maximum in a twO-slit interference pattern is given by, and the intensity of the primary maximum in a three-slit interference pattern is given by 1,. Assuming the far-field approximation, same slit parameters and intensity of the incident light in both the cases, and I, are related as (B) (C) (D)
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Surya prakash verma![best-answer]()
C part is answer assume source intensity is I I2= 2I I3=3I I2= 2/3 *I3
can't understand this please send me solution in a page
and answer is D
my mistake , I is directly proportional to square of amplitude
on first constructive interference amplitude will be 2A and with 3slit it will be 3A
I2 =2A*2A and I3= 3A*3A