Optics Question 1034

Question: The two waves represented by y1 = a sin(wt) and $ y _{2}=b\cos (\omega t) $ have a phase difference of

[MP PMT 2000]

Options:

A) 0

B) $ \frac{\pi }{2} $

C) p

D) $ \frac{\pi }{4} $

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Answer:

Correct Answer: B

Solution:

$ y _{1}=a\sin \omega t, $ and $ y _{2}=b\cos \omega t=b\sin ( \omega t+\frac{\pi }{2} ) $ So phase difference $ \varphi =\pi /2 $



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