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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

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Q JEE MAIN 2021
When 0.15 g of an organic compound was analyzed using Carius method for estimation of bromine, 0.2397 g of AgBr was obtained. The percentage of...
JEE Main Chemistry Medium
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Q JEE-MAIN 2021
The coefficient of static friction between two blocks is 0.5 and the table is smooth. The maximum horizontal force that can be applied to move...
JEE Main Physics Easy
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Q JEE MAIN 2021 S2
Two sides of a parallelogram are along the lines $4 x+5 y=0$ and $7 x+2 y=0$. If the equation of one of the diagonals of...
JEE Main Mathematics Medium
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Q JEE MAIN_2021
If $b$ is very small as compared to the value of $a$, so that the cube and other higher powers of $\frac{b}{a}$ can be neglected...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
Which one of the following chemical agent is not being used for dry–cleaning of clothes?
JEE Main Chemistry Easy
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Q JEE MAIN 2021
The electric field in a plane electromagnetic wave is given by $$ \overrightarrow{\mathrm{E}}-=200 \cos \left[\left(\frac{0.5 \times 10^3}{\mathrm{~m}}\right) \mathrm{x}-\left(1.5 \times 10^{11} \frac{\mathrm{rad}}{\mathrm{~s}} \times \mathrm{t}\right)\right] \frac{\mathrm{V}}{\mathrm{~m}} \hat{\mathrm{j}}...
JEE Main Physics Easy
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Q JEE-MAIN 2021
An object is placed at a distance of 12 cm from a convex lens. A convex mirror of focal length 15 cm is placed on...
JEE Main Physics Easy
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Q JEE MAIN 2021
4 g equimolar mixture of NaOH and $\mathrm{Na}_2 \mathrm{CO}_3$ contains x g of NaOH and y g of $\mathrm{Na}_2 \mathrm{CO}_3$. The value of x is...
JEE Main Chemistry Easy
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Q JEE MAIN 2021 S2
The value of $\lim _{x \rightarrow 0}\left(\frac{x}{\sqrt[8]{1-\sin x}-\sqrt[8]{1+\sin x}}\right)$ is equal to:
JEE Main Mathematics Medium
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