Contact us
Back

Report Issue

2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
The light waves from two coherent sources have same intensity $l_1=l_2=l_0$. In interference pattern the intensity of light at minima is zero. What will be...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
When 3.00 g of a substance X is dissolved in 100 g of $\mathrm{CCl}_4$, it raises the boiling point by 0.60 K . The molar...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
Select the graph that correctly describes the adsorption isotherms at two temperatures $T_1$ and $T_2\left(T_1>T_2\right)$ for a gas : $(x$ - mass of the gas...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
Identify A in the following reaction.
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
0.8 g of an organic compound was analysed by Kjeldahl's method for the estimation of nitrogen. If the percentage of nitrogen in the compound was...
JEE Main Chemistry Medium
View Solution →
Q JEE-MAIN 2021
The height of victoria falls is 63 m. What is the difference in temperature of water at the top and at the bottom of fall?...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
A current of 1.5 A is flowing through a triangle, of side 9 cm each. The magnetic field at the centroid of the triangle is...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
A body of mass $M$ moving at speed $V_0$ collides elastically with a mass ' $m$ ' at rest. After the collision, the two masses...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2021
The correct order of reactivity of the given chlorides with acetate in acetic acid is :
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
Assuming that $\mathrm{Ba}(\mathrm{OH})_2$ is completely ionised in aqueous solution under the given conditions the concentration of $\mathrm{H}_3 \mathrm{O}^{+}$ions in 0.005 M aqueous solution of $\mathrm{Ba}(\mathrm{OH})_2$...
JEE Main Chemistry Easy
View Solution →