An electron of a hydrogen like atom, having $Z=4$, jumps from $4^{\text {th }}$ energy state to $2^{\text {nd }}$ energy state, The energy released...
JEE MainPhysicsEasy
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QJEE MAIN 2023
A long conducting wire having a current I flowing through it, is bent into a circular coil of N turns. Then it is bent into...
JEE MainPhysicsMedium
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QJEE MAIN 2023
A thin prism P1 with an angle 6° and made of glass of refractive index 1.54 is combined with another prism P2 made from glass...
JEE MainPhysicsEasy
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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: Steel is used in...
JEE MainPhysicsEasy
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QJEE MAIN 2023
The escape velocities of two planets $A$ and $B$ are in the ratio $1: 2$. If the ratio of their radii respectively is $1: 3$,...
JEE MainPhysicsEasy
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QJEE MAIN 2023
KMnO4 is titrated with ferrous ammonium sulphate hexahydrate in presence of dilute H2SO4. Number of water molecules produced for 2 molecules of KMnO4 is _____.
JEE MainChemistryMedium
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QJEE MAIN 2023
Which of the following cannot be explained by crystal field theory?
JEE MainChemistryMedium
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QJEE_ Main 2023
Among the following compounds, the one which shows highest dipole moment is
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