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QJEE MAIN 2025
The work function of a metal is 3 eV. The color of the visible light that is required to cause emission of photoelectrons is
JEE MainPhysicsEasy
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QJEE MAIN 2025
The radii of curvature for a thin convex lens are 10 cm and 15 cm respectively. The focal length of the lens is 12 cm....
JEE MainPhysicsEasy
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QJEE MAIN 2025
The radiation pressure exerted by a 450 W light source on a perfectly reflecting surface placed at 2 m away from it, is
JEE MainPhysicsMedium
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QJEE MAIN 2025
A particle is released from height S above the surface of the earth. At certain height its kinetic energy is three times its potential energy....
JEE MainPhysicsMedium
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QJEE MAIN 2025
A person measures mass of 3 different particles as 435.42 g, 226.3g and 0.125 g. According to the rules for arithmetic operations with significant figures,...
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QJEE MAIN 2025
Consider following statements for refraction of light through prism, when angle of deviation is minimum. A. The refracted ray inside prism becomes parallel to the...
JEE MainPhysicsMedium
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QJEE MAIN 2025
The angle of projection of a particle is measured from the vertical axis as $\phi $ and the maximum height reached by the particle is...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
JEE MainPhysicsEasy
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QJEE MAIN 2025
A wire of length 25 m and cross-sectional area $5\;{\rm{m}}{{\rm{m}}^2}$ having resistivity of $2 \times {10^{ - 6}}\Omega \;{\rm{m}}$ is bent into a complete circle....
JEE MainPhysicsMedium
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QJEE MAIN 2025
Consider a completely full cylindrical water tank of height 1.6 m and of cross-sectional area $0.5\;{{\rm{m}}^2}$. It has a small hole in its side at...
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