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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2021
Two simple harmonic motion, are represented by the equations $y_1=10 \sin \left(3 \pi t+\frac{\pi}{3}\right)$ $$ y_2=5(\sin 3 \pi t+\sqrt{3} \cos 3 \pi t) $$ Ratio...
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Q JEE MAIN 2021
Which one of the following compounds contains
$\beta-\mathrm{C}_1-\mathrm{C}_4$ glycosidic linkage?
JEE Main Chemistry Easy
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Q JEE MAIN 2021
Four identical hollow cylindrical columns of mild steel support a big structure of mass $50 \times 10^3 \mathrm{~kg}$, The inner and outer radii of each...
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Q JEE-MAIN 2021
A heat engine operates between a cold reservoir at temperature $T_2=400 \mathrm{~K}$ and a hot reservoir at temperature $T_1$. It takes 300 J of heat...
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Q JEE MAIN 2021
In the structure of the dichromate ion, there is a :
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Q JEE MAIN 2021
The major component/ingredient of Portland Cement is :
JEE Main Chemistry Medium
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Q JEE-MAIN 2021
Figure shows a rod $A B$, which is bent in a $120^{\circ}$ circular arc of radius $R$. A charge ( $-Q$ ) is uniformly distributed...
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Q JEE MAIN 2021
An LPG cylinder contains gas at a pressure of 300 kPa at $27^{\circ} \mathrm{C}$. The cylinder can withstand the pressure of $1.2 \times 10^6 \mathrm{~Pa}$....
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Q JEE MAIN 2021
The masses and radii of the earth and moon are ( $\mathrm{M} 1, \mathrm{R}_1$ ) and ( $\mathrm{M}_2, \mathrm{R}_2$ ) respectively. Their centres are at...
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Q JEE MAIN 2021
A system consists of two identical spheres each of mass 1.5 kg and radius 50 cm at the end of light rod. The distance between...
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