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In Young's double slit experiment, the phase difference between the light waves reaching third bright fringe from the central fringe will be

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Important Questions on Wave Optics

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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 24

Interference was observed in interference chamber when air was present. Now, the chamber is evacuated and if the same light is used, a careful observer will see 

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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 25

In a double-slit experiment, for light of which colour will the fringe width be minimum?

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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 26
If two line slits are Illuminated by a wavelength 5×10-7 m and the distance between two bright fringes is 0.005 m on a screen 1 m away, then the distance between the slits is
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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 27
The fringe width in Young's double silt experiment is 2×10-4 m. If the distance between the slits is halved and the slit screen distance is double, then the new fringe width will be
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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 28
Fringe width observed in Young's double-slit experiment is β. If the frequency of the sources is double, the fringe width will
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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 29
The distance between two slits in a double-slit experiment is 1 mm. The distance between the slits and the screen is 1 m. If the distance of 10th fringe from the central fringe is 5 mm, then the wavelength of light is
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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 30
If the slit distance in Young's double-slit experiment is reduced to 13rd the fringe width becomes n times. The value of n is.
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Alpha Question Bank for Medical: Physics>Chapter 31 - Wave Optics>Exercise-1>Q 31
In Young's double slit experiment, if the slit widths are in the ratio 1:9 then, the ratio of the intensity at minima to that at maxima will be,