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QJEE MAIN_2023
'n' polarizing sheets are arranged such that each makes an angle 45° with the proceeding sheet. An unpolarized light of intensity I is incident into...
JEE MainPhysicsHard
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QJEE MAIN 2023
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R Assertion A: The beam of electrons...
JEE MainPhysicsMedium
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QJEE MAIN 2023
In a Young's double slit experiment, two slits are illuminated with a light of wavelength 800 nm . The line joining $A_1 P$ is perpendicular...
JEE MainPhysicsEasy
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QJEE MAIN 2024
Two wavelengths $\lambda_1$ and $\lambda_2$ are used in Young's double slit experiment $\lambda_1=450 \mathrm{~nm}$ and $\lambda_2=650 \mathrm{~nm}$. The minimum order of fringe produced by $\lambda_2$...
JEE MainPhysicsMedium
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QJEE MAIN
Which of the following phenomena does not explain by wave nature of light. (A) reflection (B) diffraction (C) photoelectric effect (D) interference (E) polarization Choose...
JEE MainPhysicsEasy
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QJEE MAIN 2024
In Young's double slit experiment, carried out with light of wavelength 5000Å , the distance between the slits is 0.3 mm and the screen is...
JEE MainPhysicsMedium
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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...
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