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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
The rate of a reaction decreased by 3.555 times when the temperature was changed from $40^{\circ} \mathrm{C}$ to $30^{\circ} \mathrm{C}$. The activation energy (in $...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
A force $\vec{F}=(\hat{i}+2 \hat{j}+3 \hat{k}) \mathrm{N}$ acts at a point $(4 \hat{i}+3 \hat{j}+\hat{k}) \mathrm{m}$. Then the magnitude of torque about the point $(\hat{i}+2 \hat{j}+\hat{k}) m$...
JEE Main Physics Medium
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Q JEE MAIN 2020
Consider the Assertion and Reason given below.
Assertion (A) : Ethene polymerized in the presence of Ziegler Natta Catalyst at high temperature and pressure is...
JEE Main Chemistry Medium
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Q JEE MAIN 2020
A square loop of side 2a, and carrying current I, is kept in XZ plane with its centre at origin. A long wire carrying the...
JEE Main Physics Hard
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Q JEE MAIN 2020
The atomic number of Unnilunium is _______.
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Number of molecules in a volume of $4 \mathrm{~cm}^3$ of a perfect monoatomic gas at some temperature T and at a pressure of 2 cm...
JEE Main Physics Medium
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Q JEE MAIN 2020
If the solubility product of $\mathrm{AB}_2$ is $3.20 \times 10^{-11} \mathrm{M}^3$, then the solubility of $A B_2$ in pure water is $\_\_\_\_$ x $...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
For Freundlich adsorption isotherm, a plot of log (x/m) (y-axis) and $\log p$ (x-axis) gives a straight line. The intercept and slope for the line...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The correct statement with respect to dinitrogen is
JEE Main Chemistry Medium
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Q JEE MAIN 2020
A balloon is moving up in air vertically above a point A on the ground. When it is at a height h1, a girl standing...
JEE Main Physics Hard
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