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QJEE MAIN 2024
Molarity (M) of an aqueous solution containing xg of anhyd. CuSO_4 in 500" " mL solution at 32 ^∘ C is 2×10^(-1) M. Its molality...
JEE MainChemistryMedium
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QJEE-Main_2024
In a closed organ pipe, the frequency of fundamental note is 30Hz. A certain amount of water is now poured in the organ pipe so...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Number of optical isomers possible for 2 – chlorobutan
JEE MainChemistryEasy
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QJEE MAIN 2024
For 0
JEE MainMathematicsMedium
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QJEE MAIN 2024
When equal volume of 1 MHCl and $1 \mathrm{MH}_2 \mathrm{SO}_4$ are separately neutralised by excess volume of 1 M NaOH solution. X and ykJ of...
JEE MainChemistryEasy
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QJEE MAIN
If R is the radius of the earth and the acceleration due to gravity on the surface of earth is , then the length of...
JEE MainPhysicsEasy
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QJEE MAIN 2024
The standard reduction potentials at 298" " K for the following half cells are given below : ■(&Cr_2 O_7^(2-)+14H^++6e^-→2Cr^(3+)+7H_2 O,E^∘=1.33" " V@Fe^(3+) (aq)+3e^-→Fe&E^∘=-0.04" " V@Ni^(2+)...
JEE MainChemistryEasy
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QJEE-Main_2024
Consider a Disc of mass 5 kg, radius 2 m, rotating with angular velocity of 10rad/s about an axis perpendicular to the plane of rotation....
JEE MainPhysicsMedium
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QJEE MAIN 2024
How many compounds among the following compounds show inductive, mesomeric as well as hyperconjugation effects?
JEE MainChemistryMedium
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QJEE MAIN 2024
A line passing through the point makes an angle of with the positive direction of -axis. If this line is rotated about A through an...
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