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NEET
Exam
NEET
Subject
Physics
Chapter
Wave Optics

NEET · Physics · Wave Optics

STATEMENT - 1: Angular width of central maximum in YDSE is...

STATEMENT - 1: Angular width of central maximum in YDSE is independent of D i.e., distance between source and screen. STATEMENT - 2 : Fringe width of central maximum is double of the first maxima on the screen.

Options

  1. AStatement - 1 is True, Statement - 2 is True; Statement - 2 is a correct explanation for Statement - 1.
  2. BStatement - 1 is True, Statement - 2 is True; Statement - 2 is NOT a correct explanation for Statement - 1.
  3. CStatement - 1 is True, Statement - 2 is False.
  4. DStatement - 1 is False, Statement - 2 is True.

Correct answer

C. Statement - 1 is True, Statement - 2 is False.

Step-by-step solution

Angular width θ= fringe width Dθ=λd\begin{aligned} & \text{Angular width } \theta=\frac{\text{ fringe width }}{\mathrm{D}} \\ & \theta=\frac{\lambda}{\mathrm{d}} \end{aligned})$
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