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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
As shown in fig. when a spherical cavity (centred at O) of radius 1 is cut out of a uniform sphere of radius R (centred...
JEE Main Physics Medium
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Q JEE-MAIN 2020
The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is $\vec{E}=E_0 \hat{j} \cos (\omega t-k x)$. The magnetic field...
JEE Main Physics Easy
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Q JEE MAIN 2020
The dipole moments of $\mathrm{CCl}_4, \mathrm{CHCl}_3$ and $\mathrm{CH}_4$ are in the order :
JEE Main Chemistry Easy
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Q JEE MAIN 2020
A very long wire ABDMNDC is shown in figure carrying current I. AB and BC parts are straight, long and at right angle. At D...
JEE Main Physics Medium
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Q JEE MAIN 2020
A plane electromagnetic wave is propagating along the direction $\frac{\hat{i}+\hat{j}}{\sqrt{2}}$, with its polarization along the direction $\hat{k}$. The correct form of the magnetic field of...
JEE Main Physics Easy
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Q JEE-MAIN 2020
Hydrogen ion and singly ionized helium atom are accelerated, from rest, through the same potential difference. The ratio of final speeds of hydrogen and helium...
JEE Main Physics Easy
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Q JEE-MAIN 2020
A block of mass m attached to a massless spring is performing oscillatory motion of amplitude ‘A’ on a frictionless horizontal plane. If half of...
JEE Main Physics Easy
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Q JEE MAIN 2020
In a double-slit experiment, at a certain point on the screen the path difference between the two interfering waves is $\frac{1}{8}$ th of a wavelength....
JEE Main Physics Medium
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Q JEE MAIN 2020
1-methylethylene oxide when treated with an excess of HBr produces:
JEE Main Chemistry Easy
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Q JEE MAIN 2020
A plane electromagnetic wave of frequency 25 GHz is propagating in vacuum along the z-direction. At a particular point in space and time, the magnetic...
JEE Main Physics Easy
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