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2021 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN_2021_
Let $f: R \rightarrow R$ be defined as $...
JEE Main Mathematics Easy
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Q JEE MAIN 2021

Consider the above reaction, the major product 'P' is:
JEE Main Chemistry Easy
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Q JEE-MAIN 2021
A parallel - plate capacitor with plate area $A$ has separation $d$ between the plates. Two dielectric slabs of dielectric constant $K_1$ and $K_2$ of...
JEE Main Physics Easy
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Q JEE MAIN 2021
The hybridisations of the atomic orbitals of nitrogen in $\mathrm{NO}_2^{-}, \mathrm{NO}_2^{+}$andN $\mathrm{NH}_4^{+}$respectively are.
JEE Main Chemistry Easy
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Q JEE MAIN 2021 S2
A possible value of ' $x$ ', for which the ninth term in the expansion of $\left\{3^{\log _3 \sqrt{25^{x-1}+7}}+3^{\left(-\frac{1}{8}\right) \log _3\left(5^{x-1}+1\right)}\right\}^{10}$ in the increasing powers...
JEE Main Mathematics Medium
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Q JEE MAIN 2021
Identify the logic operation carried out by the given circuit
JEE Main Physics Easy
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Q JEE MAIN 2021
In the given figure the magnetic flux through the loop increases according to the relation $\varphi_{\mathrm{B}}(\mathrm{t})=10 \mathrm{t}^2+20 \mathrm{t}$, where $\varphi_{\mathrm{B}}$ is in milliwebers and t...
JEE Main Physics Easy
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Q _JEE MAIN_2021
Let the vectors $(2+a+b) \hat{i}+(a+2 b+c) \hat{j}-(b+c) \hat{k},(1+b) \hat{i}+2 b \hat{j}-b \hat{k}$ and $(2+b) \hat{i}+2 b \hat{j}+(1-b) \hat{k}, a, b, c \in R$ be co-planar....
JEE Main Mathematics Medium
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Q JEE MAIN 2021
Which one of the following species responds to an external magnetic field?
JEE Main Chemistry Easy
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Q JEE MAIN 2021 S2
The point P (a,b) undergoes the following three transformations successively :
(a) reflection about the line $\mathrm{y}=\mathrm{x}$.:
(b) translation through 2 units along the positive...
JEE Main Mathematics Medium
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