Four light waves are represented by (i) y=a_ 1 t (ii) y=a_ 2 ( t+ ) (iii) y=a_ 1 2 t (iv)…
Physics · JEE Advanced · NTA Exams — Optics
Four light waves are represented by
(i) \(y=a_{1} \sin \omega t\) (ii) \(y=a_{2} \sin (\omega t+\phi)\)
(iii) \(y=a_{1} \sin 2 \omega t\) (iv) \(y=a_{2} \sin 2(\omega t+\phi)\)
Interference fringes may be observed due to superposition of
(i) \(y=a_{1} \sin \omega t\) (ii) \(y=a_{2} \sin (\omega t+\phi)\)
(iii) \(y=a_{1} \sin 2 \omega t\) (iv) \(y=a_{2} \sin 2(\omega t+\phi)\)
Interference fringes may be observed due to superposition of
- (i) and (ii)
- (i) and (iii)
- (ii) and (iv)
- (iii) and (iv)
Answer
(A) (i) and (ii), (D) (iii) and (iv)
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