Contact us
Back

Report Issue

2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
Choose the correct option relating wavelengths of different parts of electromagnetic wave spectrum
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2020
In the following sequence of reactions the maximum number of atoms present in molecule ‘C’ in one plane is __________.
$...
JEE Main Chemistry Easy
View Solution →
Q JEE-MAIN 2020
If the value of the integral $\int_0^{1 / 2} \frac{x^2}{\left(1-x^2\right)^{3 / 2}} d x$ is $\frac{k}{6}$, then $k$ is equal to:
JEE Main Mathematics Easy
View Solution →
Q JEE MAIN 2020
A two point charges $4 q$ and $-q$ are fixed on the xaxis at $x=-\frac{d}{2}$ and $x=\frac{d}{2}$, respectively. If a third point charge ' q...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2020
$\mathrm{NaClO}_3$ is used, even in spacecrafts, to produce $\mathrm{O}_2$. The daily consumption of pure $\mathrm{O}_2$ by a person is 492 L at $...
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2020
In the following reaction A is
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2020
Four resistances $40 \Omega, 60 \Omega, 90 \Omega$ and $110 \Omega$ make the arms of a quadrilateral ABCD. Across AC is a battery of emf...
JEE Main Physics Medium
View Solution →
Q JEE MAIN 2020
Starting from the origin at time $t=0$, with initial velocity $5 \hat{j} \mathrm{~ms}^{-1}$, a particle moves in the $x-y$ plane with a constant acceleration of...
JEE Main Physics Medium
View Solution →
Q JEE-MAIN 2020
If $250 \mathrm{~cm}^3$ of an aqueous solution containing 0.73 g of a protein A is isotonic with one litre of another aqueous solution containing 1.65...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2020
For an electrochemical cell, $\mathrm{Sn}(\mathrm{s})\left|\mathrm{Sn}^{2+}(\mathrm{aq}, 1 \mathrm{M}) \| \mathrm{Pb}^{2+}(\mathrm{aq}, 1 \mathrm{M})\right| \mathrm{Pb}(\mathrm{s})$ the ratio $\frac{\left[\mathrm{Sn}^{2+}\right]}{\left[\mathrm{Pb}^{2+}\right]}$ when this cell attains equilibrium is $\_\_\_\_$ .
(Given:...
JEE Main Chemistry Medium
View Solution →