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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE Main 2019
Let $f: R \rightarrow R$ be a function such that $f(x)=x^3+x^2 f^{\prime}(1)+x f^{\prime \prime}(2)+f^{\prime \prime \prime}(3), x \in R$. Then $f(2)$ equals
JEE Main Mathematics Medium
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Q JEE MAIN 2019
The ratio of the shortest wavelength of two spectral series of hydrogen spectrum is found to be about 9. The spectral series are
JEE Main Chemistry Easy
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Q JEE MAIN 2019
Compound $\mathrm{A}\left(\mathrm{C}_9 \mathrm{H}_{10} \mathrm{O}\right)$ shows positive iodoform test. Oxidation of A with $\mathrm{KMnO}_4 / \mathrm{KOH}$ gives acid $\mathrm{B}\left(\mathrm{C}_8 \mathrm{H}_6 \mathrm{O}_4\right)$. Anhydride of B is used...
JEE Main Chemistry Medium
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Q JEE Main 2019
The equation of a tangent to the hyperbola $4 x^2-5 y^2=20$ parallel to the line $x-y=2$ is
JEE Main Mathematics Easy
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Q JEE MAIN 2019
A liquid of density  is coming out of a hose pipe of radius a with horizontal speed v and hits a mesh. 50% of...
JEE Main Physics Medium
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Q JEE Main 2019
The sum of all values of $\theta \in\left(0, \frac{\pi}{2}\right)$ satisfying $\sin ^2 2 \theta+\cos ^4 2 \theta=\frac{3}{4}$ is
JEE Main Mathematics Medium
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Q JEE MAIN 2019
1 g of a non-volatile non-electrolyte solute is dissolved in 100 g of two different solvents A and B whose ebullioscopic constants are in the...
JEE Main Chemistry Easy
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Q JEE MAIN 2019
The major product ‘Y’ in the following reaction is :
JEE Main Chemistry Easy
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Q JEE MAIN 2019
An electromagnetic wave of intensity $50 \mathrm{Wm}^{-2}$ enters in a medium of refractive index ' $n$ ' without any loss. The ratio of the magnitudes...
JEE Main Physics Medium
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Q JEE Main 2019
If the parabolas $y^2=4 b(x-c)$ and $y \quad l=8 a x$ have a common normal, then which one of the following is a valid choice...
JEE Main Mathematics Medium
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