A parallel beam of light (λ = 5000 Å) is incident normally on a narrow slit of width 0.2 mm. The angular separation between the first two minima is (A) 2.5 × 10-3 degree (B) 2.5 × 10-3 rad (C) 5 × 10-3 degree (D) 5 × 10-3 rad.

A parallel beam of light (λ = 5000 Å) is incident normally on a narr

1.	A parallel beam of light (λ = 5000 Å) is incident normally on a narrow slit of width 0.2 mm. The angular separation between the first two minima is (A) 2.5 × 10-3 degree (B) 2.5 × 10-3 rad (C) 5 × 10-3 degree (D) 5 × 10-3 rad.
Answer» (B) 2.5 × 10^-3 rad

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A parallel beam of light (λ = 5000 Å) is incident normally on a narrow slit of width 0.2 mm. The angular separation between the first two minima is (A) 2.5 × 10-3 degree (B) 2.5 × 10-3 rad (C) 5 × 10-3 degree (D) 5 × 10-3 rad.

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