In diffraction experiment, from a single slit, the angular width of central maximum does NOT depend upon (a) ratio of wavelength and slit width (b) distance of the slit from the screen (c) wavelength of light used (d) width of the slit

Answer: (b). Angular width of central maximum = (2λ)/(a). It depends on λ, a and λ/a, but not on the slit-to-screen distance. So the answer is (b).

In diffraction experiment, from a single slit, the angular width of… | MHT CET 2021 (21 Sep, Shift 1)

Q59MHT CET 2021 · 21 SEP · SHIFT 1Easy

Diffraction at a Single Slit

In diffraction experiment, from a single slit, the angular width of central maximum does NOT depend upon

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Answer: (b)

Angular width of central maximum $= \dfrac{2\lambda}{a}$ .
It depends on $\lambda$ , $a$ and $\lambda/a$ , but not on the slit-to-screen distance.
So the answer is (b).

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