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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
Following figure shows two processes A and B for a gas. If $\Delta Q_A$ and $\Delta Q_B$ are the amount of heat absorbed by the...
JEE Main Physics Easy
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Q JEE MAIN 2020
A circular coil has moment of inertia $0.8 \mathrm{~kg} \mathrm{~m}^2$ around any diameter and is carrying current to produce a magnetic moment of $20 \mathrm{Am}^2$....
JEE Main Physics Easy
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Q JEE MAIN 2019
A capacitor with capacitance 5$\mu \mathrm{F}$ is charged to 5$\mu \mathrm{C}$. If the plates are pulled apart to reduce the capacitance to 2$\mu \mathrm{F}$ ,...
JEE Main Physics Easy
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Q JEE MAIN 2021
$\lim _{x \rightarrow 0} \frac{\sin ^2\left(\pi \cos ^4 x\right)}{x^4}$ is equal to:
JEE Main Mathematics Medium
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Q JEE MAIN 2019
For a given gas at 1 atm pressure, rms speed of the molecules is 200 m/s at 127°C. At 2 atm pressure and at 227°C,...
JEE Main Physics Easy
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Q JEE MAIN 2021
If $\frac{d y}{d x}=\frac{2^{x+y}-2^x}{2 y}, \mathrm{y}(0)=1$, then $\mathrm{y}(1)$ is equal to :
JEE Main Mathematics Medium
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Q JEE MAIN 2019
The total number of turns and cross-section area in a solenoid is fixed. However, its length L is varied by adjusting the separation between windings....
JEE Main Physics Medium
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Q JEE MAIN 2019
A simple pendulum oscillating in air has period T. The bob of the pendulum is completely immersed in a non-viscous liquid. The density of the...
JEE Main Physics Medium
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Q JEE MAIN 2021
If the function $\mathrm{f}(\mathrm{x})=\left\{\begin{array}{cc}\frac{1}{x} \log _e\left(\frac{1+\frac{a}{x}}{1-\frac{x}{b}}\right) & , x<0 \\ k & , x=0 \\ \frac{\cos ^2 x-\sin ^2 x-1}{\sqrt{x^2+1}-1} & , x>0\end{array}\right.$
Is continuous...
JEE Main Mathematics Medium
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Q JEE MAIN 2019
A rectangular coil (Dimension 5 cm × 2.5 cm) with 100 turns, carrying a current of 3 A in the clock-wise direction, is kept centered...
JEE Main Physics Easy
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