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QJEE MAIN 2024
The de-Broglie wavelength of an electron is the same as that of a photon. If velocity of electron is 25% of the velocity of light,...
JEE MainPhysicsMedium
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QJEE MAIN 2024
A galvanometer having coil resistance 10Ω shows a full scale deflection for a current of 3 mA. For it to measure a current of 8A,...
JEE MainPhysicsMedium
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QJEE MAIN 2024
If the radius of curvature of the path of two particles of same mass are in the ratio 3:4, then in order to have constant...
JEE MainPhysicsEasy
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QJEE MAIN 2024
Match List I with List II
Chose the correct answer from the options given below
JEE MainPhysicsEasy
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QJEE MAIN 2024
A block of mass 100 kg slides over a distance of 10 m on a horizontal surface. If the co-efficient of friction between the surfaces...
JEE MainPhysicsEasy
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QJEE MAIN 2024
The resistance $\mathrm{R}=\frac{\mathrm{V}}{\mathrm{I}}$ where $\mathrm{V}=(200 \pm 5) \mathrm{V}$ and $\mathrm{I}=(20 \pm 0.2) \mathrm{A}$, the percentage error in the measurement of $R$ is :
JEE MainPhysicsEasy
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QJEE MAIN 2024
The potential energy function (in J ) of a particle in a region of space is given as $U=\left(2 x^2+3 y^3+2 z\right)$. Here $x, y$...
JEE MainPhysicsEasy
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QJEE MAIN 2024
A body starts moving from rest with constant acceleration covers displacement $S_1$ in first (p-1) seconds and $S_2$ in first p seconds. The displacement $S_1+S_2$...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Two charges of 5Q and -2Q are situated at the points (3a,0) and (-5a,0) respectively. The electric flux through a sphere of radius '4a' having...
JEE MainPhysicsEasy
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QJEE MAIN 2024
A convex mirror of radius of curvature 30 cm forms an image that is half the size of the object. The object distance is :
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