A slit is illuminated by light of wavele

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Target Exam

CUET

Subject

Physics

Chapter

Wave Optics

Question:

A slit is illuminated by light of wavelength 6500 Å. The first minimum is observed at θ = 30°. The width of the slit is

Options:

13 μm

3.25 μm

1.3 μm

1.7 μm

Correct Answer:

1.3 μm

Explanation:

The correct answer is Option (3) → 1.3 μm