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Wave Optics question

2023 · 15 Apr · Shift 1 · Q52

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Wave Optics
2023 · 15 Apr · Shift 1 · Q52

Wave Optics question

2023 · 15 Apr · Shift 1 · Q52

JEE MainPhysicsWave OpticsMCQ+4 / −1

A single slit of width

a

is illuminated by a monochromatic light of wavelength

600 \mathrm{~nm}

. The value of '

a

' for which first minimum appears at

\theta=30^{\circ}

on the screen will be :

A
${3} \mu \mathrm{m}$
B
$0.6 \mu \mathrm{m}$
C
$1.8 \mu \mathrm{m}$
D
$1.2 \mu \mathrm{m}$

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