MCQ
A light wave is incident normally over a slit of width $24 \times 10^{-5} \mathrm{~cm}$. The angular position of second dark fringe from the central maxima is $30^{\circ}$. What is the wavelength of light
- ✓6000 Å
- B5000 Å
- C3000 Å
- D1500 Å
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