Four light sources produce the following four waves: (i) y_1=a \sin (\omega t+\phi_1) (ii) y_2=a \sin 2 \omega t (iii) y_3=a^{'} \sin (\omega t+\phi_2) (iv) y_4=\alpha^{'} \sin (3 \omega t+\phi) Superposition of which two waves give rise to interference?

Correct Answer is : (i) and (iii)

EAMCET Engineering 2009 Solved Paper

Section: Physics

Question : 22 of 160

Marks: +1, -0

Four light sources produce the following four waves:
(i) y1=asin‌(ωt+φ1)
(ii) y2=asin‌2ωt
(iii) y3=a′sin‌(ωt+φ2)
(iv) y4=α′sin‌(3ωt+φ)
Superposition of which two waves give rise to interference?

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

Validate

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