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Monochromatic light falls on a double slit, creating a diffraction pattern on a screen. If the entire apparatus (light source, slits and screen) is now placed in an atmosphere of a gas with a greater index of refraction than air, what effect would this have on: - N, the number of maxima on the screen - x, the distance between the central and first maxima? O N remains the same, x increases O N remains the same, x remains the same O N increases, x increases ON decreases, x decreases ON decreases, x increases ON remains the same, x decreases O N increases, x remains the same O N increases, x decreases ON decreases, x remains the same

Monochromatic light falls on a double slit, creating a diffraction pattern on a screen. If the entire apparatus (light source, slits and screen) is now placed in an atmosphere of a gas with a greater index of refraction than air, what effect would this have on: - N, the number of maxima on the screen - x, the distance between the central and first maxima? O N remains the same, x increases O N remains the same, x remains the same O N increases, x increases ON decreases, x decreases ON decreases, x increases ON remains the same, x decreases O N increases, x remains the same O N increases, x decreases ON decreases, x remains the same

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Monochromatic light falls on a double slit, creating a diffraction pattern on a screen. If the entire apparatus (light source, slits and screen) is now placed in an atmosphere of a gas with a greater index of refraction than air, what effect would this have on: - N, the number of maxima on the screen - X, the distance between the central and first maxima? ON remains the same, x increases ON remains the same, x remains the same O N increases, x increases O N decreases, x decreases ON decreases, x increases ON remains the same, x decreases O N increases, x remains the same O N increases, x decreases ON decreases, x remains the same
Transcribed Image Text:Monochromatic light falls on a double slit, creating a diffraction pattern on a screen. If the entire apparatus (light source, slits and screen) is now placed in an atmosphere of a gas with a greater index of refraction than air, what effect would this have on: - N, the number of maxima on the screen - X, the distance between the central and first maxima? ON remains the same, x increases ON remains the same, x remains the same O N increases, x increases O N decreases, x decreases ON decreases, x increases ON remains the same, x decreases O N increases, x remains the same O N increases, x decreases ON decreases, x remains the same
Expert Solution
Step 1

The wavelength of light used in the atmosphere of gas is,

λ=λairn

thus, the wavelength is decreased and hence the distance between the central maxima to the secondary maxima decreases and the overall pattern shrinks.

 

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