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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
An inductor coil stores 64 J of magnetic field energy and dissipates energy at the rate of 640 W when a current of 8A is...
JEE Main Physics Easy
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Q JEE MAIN 2021
$\mathrm{PC}_1 \rightleftharpoons \mathrm{PCl}_3+\mathrm{Cl}_3 \mathrm{~K}_{\mathrm{c}}=1.844$
3.0 moles of $\mathrm{PCl}_5$ is introduced in a 1 L closed reaction vessel at 380 K . The number of...
JEE Main Chemistry Easy
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Q JEE MAIN 2021
In the given figure, two wheels P and Q are connected by a belt B. The radius of P is three times as that of...
JEE Main Physics Easy
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Q JEE-MAIN 2021
The two thin coaxial rings, each of radius 'a' and having charges +Q and –Q respectively are separated by a distance of 's'. The potential...
JEE Main Physics Easy
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Q JEE MAIN 2021
Spin only magnetic moment of an octahedral complex of $\mathrm{Fe}^{2+}$ in the presence of a strong field ligand in BM is:
JEE Main Chemistry Easy
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Q JEE MAIN 2021
An electric appliance supplies $6000 \mathrm{~J} / \mathrm{min}$ heat to the system. If the system delivers a power of 90 W . How long it...
JEE Main Physics Easy
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Q JEE MAIN 2021
The resistance of a conductor at 15ºC is 16 $\Omega$ at 100ºC is 20$\Omega$ What will be the temperature coefficient of resistance of the conductor?
JEE Main Physics Easy
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Q JEE-MAIN 2021
A light beam is described by $E=800 \sin \omega\left(t-\frac{x}{c}\right)$. An electron is allowed to move normal to the propagation of light beam with a speed...
JEE Main Physics Easy
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Q JEE MAIN 2021
For water at $100^{\circ} \mathrm{C}$ and $1 \mathrm{bar}, \Delta_{\text {vap }} \mathrm{H}-\Delta_{\text {vap }} \mathrm{U}=$ $\_\_\_\_$ $\times 10^2 \mathrm{~J} \mathrm{~mol}^{-1}$.
(Round off to the...
JEE Main Chemistry Easy
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Q JEE MAIN_2021_
Let $S_n$ be the sum of the first $n$ terms of ah arithmetic progression. If $S_{3 n}=3 S_{2 n}$, then the value of $...
JEE Main Mathematics Medium
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