Four light waves are represented by (i) y=a_{1} \sin \\omegat (ii) y=a_{2} \sin (\\omega t+\ϕ) (iii) y=a_{1} \sin 2 \\omegat (iv) y=a_{2} \sin 2(\\omegat+\ϕ) Interference fringes may be observed due to superimposition of

Correct Answer is : (i) and (ii)

CGPET 2019 Solved Paper

Section: Physics

Question : 50 of 150

Marks: +1, -0

Four light waves are represented by
(i) y=a1‌sin‌ω‌t
(ii) y=a2‌sin(ωt+ϕ)
(iii) y=a1‌sin‌2‌ω‌t
(iv) y=a2‌sin‌2(ωt+ϕ)
Interference fringes may be observed due to superimposition of

(i) and (ii)
(i) and (iii)
(ii) and (iii)
(ii) and (iv)

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