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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
If $x=3 \tan t$ and $y=3$ sect, then the value of $\frac{d^2 y}{d x^2}$ at $t=\frac{\pi}{4}$, is
JEE Main Mathematics Easy
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Q JEE MAIN 2019
A plane electromagnetic wave having a frequency $v=23.9 \mathrm{GHz}$ propagates along the positive z-direction in free space. The peak value of the electric field is...
JEE Main Physics Hard
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Q JEE MAIN 2019
The charge on a capacitor plate in a circuit, as a function of time, is shown in the figure
JEE Main Physics Medium
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Q JEE MAIN_2019_
A message signal of frequency 100 MHz and peak voltage 100 V is used to execute amplitude modulation on a carrier wave of frequency 300...
JEE Main Physics Easy
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Q JEE MAIN 2019
The sum of the following series $$ 1+6+\frac{9\left(1^2+2^2+3^2\right)}{7}+\frac{12\left(1^2+2^2+3^2+4^2\right)}{9}+\frac{15\left(1^2+2^2+\ldots \ldots+5^2\right.}{11}+\ldots . $$ up to 15 terms, is
JEE Main Mathematics Hard
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Q JEE MAIN 2019
A diatomic gas with rigid molecules does 10 J of work when expanded at constant pressure. What would be the heat energy absorbed by the...
JEE Main Physics Easy
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Q JEE MAIN 2019
An NPN transistor is used in common emitter configuration as an amplifier with $1 \mathrm{k} \Omega$ load resistance. Signal voltage of 10 mV is applied...
JEE Main Physics Easy
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Q JEE MAIN_2019_
Figure shows charge (q) versus voltage (V) graph for series and parallel combination of two given capacitors. The capacitances are
JEE Main Physics Medium
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Q JEE MAIN 2019
Two particles are projected from the same point with the same speed $u$ such that they have the same range $R$, but different maximum heights,...
JEE Main Physics Medium
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Q JEE MAIN 2019
A paramagnetic material has 1028 atoms $/ \mathrm{m}^3$. Its magnetic susceptibility at temperature 350 K is $2.8 \times 10^{-4}$. Its susceptibility at 300 K is
JEE Main Physics Medium
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