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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
Half lives of two radioactive nuclei A and B are 10 minutes and 20 minutes, respectively. If, initially a sample has equal number of nuclei,...
JEE Main Physics Easy
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Q JEE MAIN 2019
Two satellites, $A$ and $B$, have masses $m$ and $2 m$ respectively. $A$ is in a circular orbit of radius $R$, and $B$ is in...
JEE Main Physics Medium
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Q JEE MAIN 2019
A rigid square loop of side ‘a’ and carrying current $\mathrm{l}_2$ is lying on a horizontal surface near a long current $\mathrm{l}_1$ carrying wire in...
JEE Main Physics Medium
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Q JEE MAIN_2019_
A uniformly charged ring of radius 3a and total charge q is placed in xy-plane centred at origin. A point charge q is moving towards...
JEE Main Physics Easy
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Q JEE MAIN 2019
For each $x \in R$, let $[x]$ be the greatest integer less than or equal to $x$. Then $\lim _{x \rightarrow 0^{-}} \frac{x([x]+|x|) \sin [x]}{|x|}$...
JEE Main Mathematics Easy
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Q JEE MAIN 2019
Three particles of masses, 50 g, 100 g and 150 g are placed at the vertices of an equilateral triangle of side 1 m (as...
JEE Main Physics Medium
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Q JEE MAIN 2019
Let a total charge 2 Q be distributed in a sphere of radius R, with the charge density given by (r) = kr, where r...
JEE Main Physics Hard
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Q JEE MAIN_2019_
A transformer consisting of 300 turns in the primary and 150 turns in the secondary gives output power of 2.2 kW. If the current in...
JEE Main Physics Easy
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Q JEE MAIN 2019
The coefficient of $t^4$ in the expansion of $\left(\frac{1-t^6}{1-t}\right)^3$ is
JEE Main Mathematics Easy
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Q JEE MAIN 2019
In a Frank-Hertz experıment, an electron of energy 5.6 eV passes through mercury vapour and emerges with an energy 0.7 eV . The minimum wavelength...
JEE Main Physics Easy
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