Four light waves are represented by (i) y=a1sinωt (ii) y=a2sin(ωt+ϕ) (iii) y=a1sin2ωt (iv) (iv) y=a2sin2(ωt+ϕ)Interference fringes may be observed due to superposition of
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a
(i) and (ii)
b
(i) and (iii)
c
(ii) and (iv)
d
(iii) and (iv)
answer is A.
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Detailed Solution
These waves are of same frequencies and they are coherent
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Four light waves are represented by (i) y=a1sinωt (ii) y=a2sin(ωt+ϕ) (iii) y=a1sin2ωt (iv) (iv) y=a2sin2(ωt+ϕ)Interference fringes may be observed due to superposition of