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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
In a photoelectric effect experiment, the graph of stopping potential V versus reciprocal of wavelength obtained is shown in the figure. As the intensity of...
JEE Main Physics Easy
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Q JEE MAIN 2020
There is a small source of light at some depth below the surface of water (refractive index $=4 / 3$ ) in a tank of...
JEE Main Physics Medium
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Q JEE-MAIN 2020
The increasing order of the reactivity of the following compounds in nucleophilic addition reaction is
Propanal, Benzaldehyde, Propanone, Butanone
JEE Main Chemistry Easy
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Q JEE MAIN 2020
A capacitor $C$ is fully charged with voltage $V_0$. After disconnecting the voltage source, it is connected in parallel with another uncharged capacitor of capacitance...
JEE Main Physics Easy
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Q JEE-MAIN 2020
The incorrect statement(s) among (a) – (d) regarding acid rain is (are)
(a) It can corrode water pipes.
(b) It can damage structures made up...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
A small spherical droplet of density d is floating exactly half immersed in a liquid of density $\rho$ and surface tension T. The radius of...
JEE Main Physics Medium
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Q JEE-MAIN 2020
The decreasing order of reactivity of the following compounds towards nucleophilic substitution $\left(\mathrm{S}_{\mathrm{N}} 2\right)$ is
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Consider two uniform discs of the same thickness and different radii $R_1=R$ and $R_2=\alpha R$ made of the same material. If the ratio of their...
JEE Main Physics Easy
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Q JEE-MAIN 2020
Consider the hypothetical situation where the azimuthal quantum number,l, takes value 0, 1, 2, ... n + 1, where n is the principal quantum number....
JEE Main Chemistry Easy
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Q JEE MAIN 2020
In LC circuit the inductance L $=40 \mathrm{mH}$ and capacitance $\mathrm{C}=100 \mu \mathrm{~F}$. If a voltage $\mathrm{V}(\mathrm{t})=10 \sin (314 \mathrm{t})$ is applied to the circuit,...
JEE Main Physics Medium
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