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Wave Optics — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsWave Optics1 Mark
MCQ
A parallel beam of light $(\lambda=5000 A )$ is incident normally on a narrow slit of width $0.2 mm$. The angular separation between the first two minima is
  • A
    $2.5 \times 10^{-3}$ degree
  • ✓
    $2.5 \times 10^{-3} rad$
  • C
    $5 \times 10^{-3}$ degree
  • D
    $5 \times 10^{-3} rad$
✓

Answer

Correct option: B.
$2.5 \times 10^{-3} rad$
$2.5 \times 10^{-3} rad$

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