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QJEE Main 2019
Two coherent sources produce waves of different intensities which interfere. After interference, the ratio of the maximum intensity to the minimum intensity is 16. The...
JEE MainPhysicsEasy
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QJEE MAIN 2021
A sound wave of frequency 245 Hz travels with the speed of 300 ms–1 along the positive x-axis. Each point of the wave moves to...
JEE MainPhysicsEasy
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QJEE MAIN 2021
In Young's double slit arrangement, slits are separated by a gap of 0.5 mm, and the screen is placed at a distance of 0.5 m...
JEE MainPhysicsEasy
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QJEE MAIN 2021
Consider the diffraction pattern obtained from the sunlight incident on a pinhole of diameter 0.1μm. If the diameter of the pinhole is slightly increased, it...
JEE MainPhysicsEasy
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QJEE-MAIN 2021
A fringe width of 6 mm was produced for two slits separated by 1 mm apart. The screen is placed 10 m away. The wavelength...
JEE MainPhysicsEasy
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QJEE MAIN 2021
A point source of light S , placed at a distance 60 cm infront of the centre of a plane mirror of width 50 cm...
JEE MainPhysicsEasy
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QJEE MAIN 2021
An unpolarized light beam is incident on the polarizer of a polarization experiment and the intensity of light beam emerging from the analyzer is measured...
JEE MainPhysicsMedium
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QJEE MAIN 2021
Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R. Assertion A : An...
JEE MainPhysicsMedium
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QJEE MAIN 2021
In a Young's double slit experiment two slits are separated by 2 mm and the screen is placed one meter away. When a light of...
JEE MainPhysicsEasy
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QJEE MAIN 2021
In a Young's double slit experiment, the width of the one of the slit is three times the other slit. The amplitude of the light...
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