GATE Physics: Questions 28 - 31 of 168
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Question number: 28
Question number: 29
Question number: 30
Appeared in Year: 2016
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In a Young’s double slit experiment using light, the apparatus has two slits of unequal widths. When only slit – 1 is open, the maximum observed intensity on the screen is . When only slit – 2 is open, the maximum observed intensity is . When both the slits are open, an interference pattern appears on the screen. The ratio of the intensity of the principal maximum to that of the nearest minimum is .