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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
The energy required to ionise a hydrogen like ion in its ground state is 9 Rydbergs. What is the Wavelength of the radiation emitted when...
JEE Main Physics Easy
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Q JEE MAIN 2020
An unbiased coin is tossed 5 times. Suppose that a variable X is assigned the value k when k consecutive heads are obtained for k...
JEE Main Mathematics Easy
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Q JEE MAIN 2020
The major product in the following reaction is
JEE Main Chemistry Easy
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Q JEE MAIN 2020
If $y=m x+4$ is a tangent to both the parabolas, $y^2 =4 x$ and $x^2=2 b y$, then $b$ is equal to
JEE Main Mathematics Medium
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Q JEE-MAIN 2020
A block starts moving up an inclined plane of inclination $30^{\circ}$ with an initial velocity of $v_0$. It comes back to its initial position with...
JEE Main Physics Easy
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Q JEE MAIN 2020
Hydrogen has three isotopes (A), (B) and (C). If the number of neutron(s) in (A), (B) and (C) respectively, are (x), (y) and (z), the...
JEE Main Chemistry Easy
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Q JEE MAIN 2020
Five number are in A.P., whose sum is 25 and product is 2520 . If one of these five numbers is $-\frac{1}{2}$, then the greatest...
JEE Main Mathematics Medium
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Q JEE-MAIN 2020
A block of mass 1.9 kg is at rest at the edge of a table, of height 1m. A bullet of mass 0.1 kg collides...
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 2020
The major product [B] in the following sequence of reactions is
JEE Main Chemistry Medium
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