Physics-
General
Easy
Question
Light of wavelength 520 nm passing through a double slit, produces interference pattern of relative intensity versus deflection angle 
as shown in the figure. The separation d between the slits is
- 2 × 10–2 mm
- 5 × 10–2 mm
- 4.5 × 10–2 mm
- 1.1 × 10–2 mm
The correct answer is: 2 × 10–2 mm
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1) If d = 7/2, O will be a minima
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