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2020 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
A light ray enters a solid glass sphere of refractive index $\mu=\sqrt{3}$ at an angle of incidence $60^{\circ}$. The ray is both reflected and refracted...
JEE Main Physics Medium
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Q JEE MAIN 2020
An ideal cell of emf 10 V is connected in circuit shown in figure. Each resistance is $2 \Omega$. The potential difference (in V )...
JEE Main Physics Easy
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Q JEE MAIN 2020
If for $x \geq 0, y=y(x)$ is the solution of the differential equation, $(x+1) d y=\left((x+1)^2+y-3\right) d x, y(2)=0$, then $\mathrm{y}(3)$ is equal to $\_\_\_\_$...
JEE Main Mathematics Easy
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Q JEE MAIN 2020
A particle of mass $m$ is moving along the $x$-axis with initial velocity $u \hat{i}$. It collides elastically with a particle of mass $10 m$...
JEE Main Physics Hard
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Q JEE MAIN 2020
The number of distinct solutions of the equation, $\log _{\frac{1}{2}}|\sin x|=2-\log _{\frac{1}{2}}|\cos x|$ in the interval $[0,2 \pi]$, is $\_\_\_\_$ .
JEE Main Mathematics Easy
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Q JEE MAIN 2020
If the vectors, $\vec{p}=(a+1) \hat{i}+a \hat{j}+a \hat{k}$, $\overrightarrow{\mathrm{q}}=\mathrm{a} \hat{\mathrm{i}}+(\mathrm{a}+1) \hat{\mathrm{j}}+\mathrm{a} \hat{\mathrm{k}}$, and $\vec{r}=a \hat{i}+a \hat{j}+(a+1) \hat{k}(a \in R)$ are coplanar and $...
JEE Main Mathematics Easy
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Q JEE MAIN 2020
A wire of density $9 \times 10^{-3} \mathrm{~kg} \mathrm{~cm}^{-3}$ is stretched between two clamps 1 m apart. The resulting strain in the wire is $...
JEE Main Physics Hard
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Q JEE MAIN 2020
The coefficient of $x^4$ in the expansion of $\left(1+x+x^2\right)^{10}$ is. $\_\_\_\_$
JEE Main Mathematics Easy
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Q JEE MAIN 2020
A square shaped hole of side $I=\frac{a}{2}$ is carved out at a distance $d=\frac{a}{2}$ from the centre ' $O$ ' of a uniform circular disk...
JEE Main Physics Medium
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Q JEE MAIN 2020
The projection of the line segment joining the point (1, –1, 3) and (2, –4, 11) on the line joining the points (–1, 2, 3)...
JEE Main Mathematics Easy
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