Optics Question 1033

Question: If two waves represented by y1=4sinωt and y2=3sin(ωt+π3) interfere at a point, the amplitude of the resulting wave will be about

[MP PMT 2000]

Options:

A) 7

B) 6

C) 5

D) 3.5

Show Answer

Answer:

Correct Answer: B

Solution:

φ=π/3, a1=4, a2=3 So, A=a12+a22+2a1.a2cosφA6



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