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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2020
Two sources of light emit X-rays of wavelength 1 nm and visible light of wavelength 500 nm, respectively. Both the sources emit light of the...
JEE Main Physics Easy
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Q JEE MAIN 2020
A small circular loop of conducting wire has radius a and carries current I. It is placed in a uniform magnetic field B perpendicular to...
JEE Main Physics Hard
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Q JEE MAIN 2020
The number of orbitals associated with quantum numbers $\mathrm{n}=5, \mathrm{~m}_{\mathrm{s}}=+\frac{1}{2}$ is:
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Consider two charged metallic spheres $S_1$ and $S_2$ of radii $R_1$ and $R_2$, respectively. The electric fields $E_1$ (on $S_1$ ) and $E_2$ (on $S_2$...
JEE Main Physics Easy
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Q JEE-MAIN 2020
To raise the temperature of a certain mass of gas by 50°C at a constant pressure, 160 calories of heat is required. When the same...
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Q JEE MAIN 2020
The theory that can completely/properly explain the nature of bonding in $\left[\mathrm{Ni}(\mathrm{CO})_4\right]$ is :
JEE Main Chemistry Easy
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Q JEE MAIN 2020
A capacitor is made of two square plates each of side 'a' making a very small angle $\alpha$ between them, as shown in figure. The...
JEE Main Physics Hard
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Q JEE MAIN 2020
A wire of length L and mass per unit length $6.0 \times 10^{-3} \mathrm{~kg} \mathrm{~m}^{-1}$ is put under tension of 540 N . Twoconsecutive frequencies...
JEE Main Physics Easy
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Q JEE MAIN 2020
The IUPAC name of the complex $\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2\right. \left.\mathrm{Cl}\left(\mathrm{NH}_2 \mathrm{CH}_3\right)\right] \mathrm{Cl}$ is :
JEE Main Chemistry Easy
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Q JEE MAIN 2020
The electron gain enthalpy (in kJ/mol) of fluorine, chlorine, bromine and iodine, respectively, are :
JEE Main Chemistry Easy
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