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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
Given the equilibrium constant : $\mathrm{K}_{\mathrm{C}}$ of the reaction:- $\mathrm{Cu}(\mathrm{s})+2 \mathrm{Ag}^{+}(\mathrm{aq}) \rightarrow \mathrm{Cu}^{2+}(\mathrm{aq})+2 \mathrm{Ag}(\mathrm{s})$ is $10 \times 10^{15}$ calculate the $\mathrm{E}_{\text {cell }}^0$ of this...
JEE Main Chemistry Easy
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Q JEE MAIN 2019
A rod of mass ‘M’ and length ‘2L’ is suspended at its middle by a wire. It exhibits torsional oscillations; if two masses each of...
JEE Main Physics Easy
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Q JEE MAIN 2019
The common tangent to the circles $x^2+y^2=4$ and $x^2+y^2+6 x+8 y-24=0$ also passes through the point :
JEE Main Mathematics Easy
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Q JEE Main 2019
To mop-clean a floor, a cleaning machine presses a circular mop of radius R vertically down with a total force F and rotates it with...
JEE Main Physics Medium
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Q JEE MAIN 2019
If $f(x)=[x]-\left[\frac{x}{4}\right], x \in R$, where $[x]$ denotes the greatest integer function, then :
JEE Main Mathematics Easy
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Q JEE MAIN 2019
A copper wire is wound on a wooden frame, whose shape is that of an equilateral triangle. If the linear dimension of each side of...
JEE Main Physics Medium
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Q JEE MAIN 2019
Let P be the plane, which contains the line of intersection of the planes, x + y + z – 6 = 0 and 2x...
JEE Main Mathematics Medium
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Q JEE MAIN 2019
The circuit shown below contains two ideal diodes, each with a forward resistance of $50 \Omega$. If the battery voltag is 6 V , the...
JEE Main Physics Medium
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Q JEE MAIN 2021
Expression for time in terms of G(universal gravitational constant), h (Planck constant) and c (speed of light) is proportional to:
JEE Main Physics Easy
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Q JEE MAIN 2019
Let $z \in C$ be such that $|z|<1$. If $\omega=\frac{5+3 z}{5(1-z)}$, then
JEE Main Mathematics Medium
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