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MODEL PAPER 10 — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsMODEL PAPER 101 Mark
Question
Assertion (A): Interference pattern is made by using yellow light instead of red light, the fringes becomes narrower. 
Reason (R): In Young's double slit experiment, fringe width is given by $\beta=\frac{\lambda D }{ d }$.
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Answer

(a)Both A and R are true and R is the correct explanation of A.
Explanation: Both A and R are true and R is the correct explanation of A.

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