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QJEE MAIN 2025
Identify the pair of reactants that upon reaction, with elimination of HCl will give rise to the dipeptide Gly-Ala.
JEE MainChemistryEasy
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QJEE MAIN 2025
Four capacitors each of capacitance 16$mu$F are connected as shown in the figure. The capacitance between points A and B is : __________. (in $mu$F).
JEE MainPhysicsMedium
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QJEE MAIN 2025
Two slabs with square cross section of different materials (1,2) with equal sides $(l)$ and thickness ${d_1}$ and ${d_2}$ such that ${d_2} = 2{d_1}$ and...
JEE MainPhysicsMedium
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QJEE MAIN 2025
Conductor wire ABCDE with each arm 10 cm in length is placed in magnetic field of $\frac{1}{{\sqrt 2 }}$ Tesla, perpendicular to its plane. When...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Distance between object and its image (magnified by $ - \frac{1}{3}$) is 30 cm . The focal length of the mirror 74 used is $...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A circular ring and a solid sphere having same radius roll down on an inclined plane from rest without slipping. The ratio of their velocities...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A small mirror of mass m is suspended by a massless thread of length $l$ . Then the small angle through which the thread will...
JEE MainPhysicsHard
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QJEE MAIN 2025
A body of mass m is suspended by two strings making angles ${\theta _1}$ and ${\theta _2}$ with the horizontal ceiling with tensions ${T_1}$ and...
JEE MainPhysicsMedium
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QJEE MAIN 2025
Two small spherical balls of mass 10 g each with charges $ - 2\mu {\rm{C}}$ and $2\mu {\rm{C}}$ , are attached to two ends of...
JEE MainPhysicsMedium
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QJEE MAIN 2025
In an experiment with a closed organ pipe, it is filled with water by $\left( {\frac{1}{5}} \right)$ th of its volume. The frequency of the...
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