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(C) In a single slit diffraction experiment, the angular width of the central maximum is given by the formula $	heta = \frac{2\lambda}{a}$, where $\l

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remains same

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(C) In a single slit diffraction experiment, the angular width of the central maximum is given by the formula $	heta = \frac{2\lambda}{a}$, where $\lambda$ is the wavelength of light used and $a$ is the width of the slit.Since the angular separation $	heta$ depends only on the wavelength $\lambda$ and the slit width $a$, it is independent of the distance $D$ between the slit and the screen.Therefore, when the distance of separation between the slit and the screen is doubled, the angular separation between the fringes remains the same.

When the distance of separation between the slit and screen is doubled, the angular separation between fringes in single slit diffraction pattern experiment

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