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QJEE MAIN 2025
Given below are two statements. One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): A electron in a...
JEE MainPhysicsEasy
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QJEE MAIN 2025
$N$ equally spaced charges each of value $q$, are placed on a circle of radius $R$. The circle rotates about its axis with an angular...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A photograph of a landscape is captured by a drone camera at a height of 18 km . The size of the camera film is...
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
A particle oscillates along the $x$-axis according to the law, $x(\mathrm{t})=x_{0} \sin ^{2}\left(\frac{\mathrm{t}}{2}\right)$ where $x_{0}=1 \mathrm{~m}$. The kinetic energy ( K ) of the particle...
JEE MainPhysicsMedium
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QJEE MAIN 2025
On complete combustion 1.0 g of an organic compound (X) gave 1.46 g of $C{O_2}$ and 0.567 g of ${H_2}O$. The empirical formula mass of...
JEE MainChemistryMedium
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QJEE MAIN 2025
Given below are two statements : In the light of the above statements, choose the...
JEE MainChemistryEasy
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QJEE MAIN 2025
A solution is made by mixing one mole of volatile liquid A with 3 moles of volatile liquid B. The vapour pressure of pure A...
JEE MainChemistryEasy
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QJEE MAIN 2025
Identify the correct statement among the following :
JEE MainChemistryHard
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QJEE MAIN 2025
Given below are two statements : Statement (I) : The metallic radius of Al is less than that of Ga . Statement (II) : The...
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