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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN_2019_
A stationary source emits sound waves of frequency 500 Hz . Two observers moving along a line passing through the source detect sound to be...
JEE Main Mathematics Medium
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Q JEE MAIN 2019
Consider an electron in a hydrogen atom, revolving in its second excited state (having radius 4.65 Å). The de-Broglie wavelength of this electron is :
JEE Main Physics Easy
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Q JEE MAIN 2019
Let $A=\{x \in R: x$ is not a positive integer $\}$. Define a function $f: A \rightarrow R$ as $f(x)=\frac{2 x}{x-1}$, then $f$ is
JEE Main Mathematics Easy
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Q JEE MAIN 2019
A plano-convex lens (focal length $f_2$, refractive index $\mu_2$, radius of curvature $R$ ) fits exactly into a planoconcave lens(focal length $f_1$, refractive index $\mu_1$,...
JEE Main Physics Hard
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Q JEE MAIN 2019
A system of three charges are placed as shown in the figure :
If D >> d, the potential energy of the system is...
JEE Main Physics Medium
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Q JEE MAIN 2019
A long cylindrical vessel is half filled with a liquid. When the vessel is rotated about its own vertical axis, the liquid rises up near...
JEE Main Physics Easy
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Q JEE MAIN 2019
Find the magnetic field at point P due to a straight line segment AB of length 6 cm carrying a current of 5 A ....
JEE Main Physics Medium
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Q JEE MAIN 2019
lf $$ A=\left[\begin{array}{ccc} e^t & e^{-t} & e^{-t} \sin t \\ e^t & -e^t \cos t-e^{-t} \sin t & -e^{-t} \sin t+e^{-t} \cos t \\...
JEE Main Mathematics Medium
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Q JEE MAIN 2019
An HCl molecule has rotational, translational and vibrational motions. If the rms velocity of HCI molecules in its gaseous phase is $\bar{v}$ , m is...
JEE Main Physics Easy
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Q JEE MAIN 2019
A block kept on a rough inclined plane, as shown in the figure, remains at rest upto a maximum force 2 N down the inclined...
JEE Main Physics Medium
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