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QJEE MAIN
A monochromatic light of wavelength 6000Å is incident on the single slit of width 0.01mm. If the diffraction pattern is formed at the focus of...
JEE MainPhysicsEasy
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QJEE-Main_2024
The diffraction pattern of a light of wavelength 400 nm diffracting from a slit of width 0.2 mm is focused on the focal plane of...
JEE MainPhysicsMedium
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QJEE MAIN 2024
In a double slit experiment shown in figure, when light of wavelength 400 nm is used, dark fringe is observed at P . If $...
JEE MainPhysicsHard
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QJEE MAIN 2025
In a Young's double slit experiment, the slits are separated by 0.2 mm. If the slits separation is increased to 0.4 mm, the percentage change...
JEE MainPhysicsEasy
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QJEE MAIN 2025
A thin transparent film with refractive index 1.4 , is held on circular ring of radius 1.8 cm . The fluid in the film evaporates...
JEE MainPhysicsHard
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QJEE MAIN 2025
Which of the following phenomena can not be explained by wave theory of light ?
JEE MainPhysicsEasy
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QJEE MAIN 2025
Two coherent monochromatic light beams of intensities 4I and 9I are superimposed. The difference between the maximum and minimum intensities in the resulting interference pattern...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Young's double slit interference apparatus is immersed in a liquid of refractive index 1.44. It has slit separation of 1.5 mm . The slits are...
JEE MainPhysicsMedium
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QJEE MAIN 2025
In a Young's double slit experiment, three polarizers are kept as shown in the figure. The transmission axes of $P_{1}$ and $P_{2}$ are orthogonal to...
JEE MainPhysicsMedium
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QJEE MAIN 2025
Two plane polarized light waves combine at a certain point whose electric field components are ${E_1} = {E_0}{\mathop{\rm Sin}\nolimits} \omega t$ $...
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