MHT CET · Physics · Wave Optics
In Young's double slit experiment, in an interference pattern, a minimum is observed exactly in front of one slit. The distance between the two coherent sources is d and D is the distance between source and screen. The possible wavelengths used are proportional to
- A \(\frac{1}{D}, \frac{1}{5 D}, \frac{1}{7 D}\),...........
- B \(\frac{1}{D}, \frac{1}{3 D}, \frac{1}{5 D}\),...........
- C \(\frac{1}{D}, \frac{1}{2 D}, \frac{1}{3 D}\),...........
- D \(\frac{1}{\mathrm{D}^2}, \frac{1}{2 \mathrm{D}^2}, \frac{1}{3 \mathrm{D}^2}\),...........
Answer & Solution
Correct Answer
(B) \(\frac{1}{D}, \frac{1}{3 D}, \frac{1}{5 D}\),...........
Step-by-step Solution
Detailed explanation
\( \Delta x = \left( m + \frac{1}{2} \right)\lambda \) \( \Delta x = \frac{yd}{D} \)
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