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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
Three containers $C_1, C_2$ and $C_3$ have water at different temperatures. The table below shows the final temperature $T$ when different amounts of water (given...
JEE Main Physics Medium
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Q JEE MAIN 2020
During the nuclear explosion, one of the products is ${ }^{90} \mathrm{Sr}$ with half life of 6.93 years. If $1 \mu \mathrm{~g}$ of $...
JEE Main Chemistry Easy
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Q JEE-MAIN 2020
A metallic sphere cools from 50°C to 40°C in 300 s. If atmospheric temperature around is 20°C, then the sphere’s temperature after the next 5...
JEE Main Physics Easy
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Q JEE MAIN 2020
Two solutions, $A$ and $B$, each of $100 L$ was made by dissolving 4 g of NaOH and 9.8 g of $\mathrm{H}_2 \mathrm{SO}_4$ in water,...
JEE Main Chemistry Easy
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Q JEE-MAIN 2020
Concentric metallic hollow spheres of radii R and 4R hold charges $Q_1$ and $Q_2$ respectively. Given that surface charge densities of the concentric spheres are...
JEE Main Physics Easy
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Q JEE MAIN 2020
An electron (mass $m$ ) with initial velocity $\vec{v}=v_0 \hat{i}+v_0 \hat{j} \vec{E}=-E_0 \hat{k}$. If $\lambda_0$ is initial de-Broglie wavelength of electron, its de-Broglie wavelength at...
JEE Main Physics Hard
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Q JEE-MAIN 2020
Which of the following will NOT be observed when a multimeter (operating in resistance measuring mode) probes connected across a component, are just reversed?
JEE Main Physics Easy
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Q JEE MAIN 2020
A particle moves such that its position vector $\vec{r}(t)=\cos \omega t \hat{i}+\sin \omega t \hat{j}$ where $\omega$ is a constant and $t$ is time. Then...
JEE Main Physics Medium
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Q JEE MAIN 2020
The current i in the network is
JEE Main Physics Easy
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Q JEE-MAIN 2020
A perfectly diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substance. The whole system is placed in...
JEE Main Physics Easy
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