Report Issue

2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
Deuterium resembles hydrogen in properties but :
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
A long solenoid with 1000 turns $/ \mathrm{m}$ has a core material with relative permeability 500 and volume $10^3 \mathrm{~cm}^3$. If the core material is...
JEE Main Physics Easy
View Solution →
Q JEE-MAIN 2021
The number of atoms in 8 g of sodium is $x \times 10^{23}$. The value of x is________.(Nearest integer)
[Given: $\mathrm{N}_{\mathrm{A}}=6.02 \times 10^{23} \mathrm{~mol}^{-1}$ Atomic...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
A moving proton and electron have the same de- Broglie wavelength. If K and P denote the K.E. and momentum respectively. Then choose the correct...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
In which one of the following molecules strongest back donation of an electron pair from halide to boron is expected?
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
A parallel plate capacitor of capacitance $200 \mu \mathrm{~F}$ is connected to a battery of 200 V . A dielectric slab of dielectric constant 2...
JEE Main Physics Easy
View Solution →
Q JEE-MAIN 2021
The sum of oxidation states of two silver ions in $\left[\mathrm{Ag}\left(\mathrm{NH}_3\right)_2\right]\left[\mathrm{Ag}(\mathrm{CN})_2\right]$ complex is _______.
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
An empty LPG cylinder weighs 14.8 kg. When full, it weighs 29.0 kg and shows a pressure of 3.47 atm. In the course of use...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
Choose the incorrect statement :
(a) The electric lines of force entering into a Gaussian surface provide negative flux.
(b) A charge 'q' is...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
A bandwidth of 6 MHz is available for A.M. transmission. If the maximum audio signal frequency used for modulating the carrier wave is not to...
JEE Main Physics Easy
View Solution →