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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
Particle $A$ of mass $m_A=\frac{m}{2}$ moving along the $x-$ axis with velocity $\mathrm{v}_0$ collides elastically with another particle $B$ at rest having mass $m_B=\frac{m}{3}$. If...
JEE Main Physics Medium
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Q JEE MAIN 2020
5 g of zinc is treated separately with an excess of
(a) Dilute hydrochloric acid and
(b) Aqueous sodium hydroxide.
The ratio of the volumes...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Match the $\mathrm{C}_{\mathrm{p}} / \mathrm{C}_{\mathrm{v}}$ ratio for ideal gases with different type of molecules
JEE Main Physics Easy
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Q JEE MAIN 2020
On the x -axis and at a distance x from the origin, the gravitational field due to a mass distribution is given by $...
JEE Main Physics Medium
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Q JEE MAIN 2020
The solubility product of $\mathrm{Cr}(\mathrm{OH})_3$ at 298 K is $6.0 \times 10^{-31}$. The concentration of hydroxide ions in a saturated solution of $\mathrm{Cr}(\mathrm{OH})_3$ will be
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Let S be the set of all functions f : [0, 1]  R, which are continuous on [0, 1] and differentiable on (0, 1)....
JEE Main Mathematics Hard
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Q JEE MAIN 2020
Which of the following has the shortest C – Cl bond?
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Let $\vec{a}=\hat{i}-2 \hat{j}+\hat{k}$ and $\vec{b}=\hat{i}-\hat{j}+\hat{k}$ be two vectors. If $\vec{c}$ is a vector such that $\vec{b} \times \vec{c}=\vec{b} \times \vec{a}$ and $\vec{c} \cdot \vec{a}=0$, then...
JEE Main Mathematics Medium
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Q JEE MAIN 2020
The reaction of $\mathrm{H}_3 \mathrm{~N}_3 \mathrm{~B}_3 \mathrm{Cl}_3$ (A) with $\mathrm{LiBH}_4$ in tetrahydrofuran gives inorganic benzene (B). Further, the reaction of (A) with (C) leads to...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Amongst the following, the form of water with the lowest ionic conductance at 298 K is
JEE Main Chemistry Easy
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