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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
If the matrix $\mathrm{A}=\left[\begin{array}{ccc}1 & 0 & 0 \\ 0 & 2 & 0 \\ 3 & 0 & -1\end{array}\right]$ satisfies the equation $...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
Consider the following statements :
A. Atoms of each element emit characteristics spectrum.
B. According to Bohr’s Postulate, an electron in a hydrogen...
JEE Main Physics Easy
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Q JEE MAIN 2021
Which one of the following pairs of isomers is an example of metamerism ?
JEE Main Chemistry Easy
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Q JEE MAIN 2021

The compound 'A' is a complementary base of __________ in DNA stands.
JEE Main Chemistry Easy
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Q JEE-MAIN 2021
oportional to the slit-width, the ratio of minimum to maximum intensity in the interference pattern is x : 4 where x is The width of...
JEE Main Physics Easy
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Q JEE MAIN 2021

Consider the above reaction and identify the Product P :
JEE Main Chemistry Easy
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Q JEE-MAIN 2021`
The temperature of 3.00 mol of an ideal diatomic gas is increased by 40.0 °C without changing the pressure of the gas. The molecules in...
JEE Main Physics Easy
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Q JEE MAIN 2021
Two identical particles of mass 1 kg each go round a circle of radius R, under the action of their mutual gravitational attraction. The angular...
JEE Main Physics Easy
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Q JEE MAIN 2021
The statement that is INCORRECT about Ellingham diagram is
JEE Main Chemistry Easy
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Q JEE MAIN 2021
Let $X_1, X_2, \ldots \ldots X_{18}$ be eighteen observations such that $\sum_{i=1}^{18}\left(x_i-\alpha\right)=36$ and $\sum_{i=1}^{18}\left(x_i-\beta\right)^2=90$, where $\alpha$ and $\beta$ are distinct real numbers. If the standard...
JEE Main Mathematics Easy
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