Wave Optics · Physics · COMEDK

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MCQ (Single Correct Answer)

COMEDK 2023 Morning Shift
In Young's double slit interference experiment, using two coherent waves of different amplitudes, the intensities ratio between bright and dark fringe...
COMEDK 2023 Morning Shift
In Young's double slit experiment, the ratio of maximum and minimum intensities in the fringe system is $$9: 1$$. The ratio of amplitudes of coherent ...
COMEDK 2023 Evening Shift
In the young's double slit experiment the fringe width of the interference pattern is found to be $$3.2 \times 10^{-4} \mathrm{~m}$$, when the light o...
COMEDK 2023 Evening Shift
A light having wavelength $$6400^{\circ} \mathrm{A}$$ is incident normally on a slit of width $$2 \mathrm{~mm}$$. Then the linear width of the central...
COMEDK 2022
In Young's double slit experiment, the two slits are separated by 0.2 mm and they are 1 m from the screen. The wavelength of the light used is 500 nm....
COMEDK 2022
In Young's double slit experiment, the fringe width is found to be 0.4 mm. If the whole apparatus is immersed in a liquid of refractive index $$\frac{...
COMEDK 2021
An unpolarised beam of intensity I$$_0$$ is incident on a pair of nicols making an angle of 60$$^\circ$$ with each other. The intensity of light emerg...
COMEDK 2021
In Young's double slit experiment with sodium vapour lamp of wavelength 589 nm and slit 0.589 mm apart, the half angular width of the central maxima i...
COMEDK 2020
Two identical light waves, propagating in the same direction, have a phase difference $$\delta$$. After they superpose the intensity of the resulting ...
COMEDK 2020
A plastic sheet (refractive index = 1 6. ) covers one slit of a double slit arrangement for the Young’s experiment. When the double slit is illuminate...
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