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2019 JEE PYQ

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE Main 2019
A parallel plate capacitor is of area $6 \mathrm{~cm}^2$ and a separation 3 mm . The gap is filled with three dielectric materials of equal...
JEE Main Physics Easy
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Q JEE Main 2019
Two guns A and B can fire bullets at speeds 1 km/s and 2 km/s respectively. From a point on a horizontal ground, they are...
JEE Main Physics Medium
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Q JEE MAIN 2019
25 ml of the given HCl solution requires 30 mL of 0.1 M sodium carbonate solution. What is the volume of this HCl solution required...
JEE Main Chemistry Easy
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Q JEE Main 2019
The density of a material is SI units is $128 \mathrm{~kg} \mathrm{~m}^{-3}$. In certain units in which the unit of length is 25 cm and...
JEE Main Physics Easy
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Q JEE MAIN 2019
The reaction $\mathrm{MgO}(\mathrm{s})+\mathrm{C}(\mathrm{s}) \rightarrow \mathrm{Mg}(\mathrm{s})+\mathrm{CO}(\mathrm{g})$, for which $\quad \Delta_{\mathrm{r}} \mathrm{H}^{\circ}=+491.1 \mathrm{~kJ} \mathrm{~mol}^{-1}$ and $\Delta_{\mathrm{r}} \mathrm{S}^{\circ}=198.0 \mathrm{JK}^{-1} \mathrm{~mol}^{-1}$, is not feasible at 298 K . Temperature...
JEE Main Chemistry Easy
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Q JEE Main 2019
A heat source at $T=10^3 K$ is connected to another heat reservoir at $T=10^2 K$ by a copper slab which is 1 m thick. Given...
JEE Main Physics Easy
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Q JEE Main 2019
In an electron microscope, the resolution that can be achieved is of the order of the wavelength of electrons used. To resolve a width of...
JEE Main Physics Medium
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Q JEE MAIN 2019
Let $f$ be a differentiable function from $R$ to $R$ such that $|f(x)-f(y)| \leqslant 2|x-y|^{\frac{3}{2}}$, for all $x, y \in R$. If $f(0)=1$ then $...
JEE Main Mathematics Easy
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Q JEE MAIN 2019
The higher concentration of which gas in air can cause stiffness of flower buds?
JEE Main Chemistry Easy
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Q JEE Main 2019
An insulating, thin rod of length I has a linear charge density $\rho(x)=\rho_0 \frac{x}{I}$ on it. The rod is rotated about an axis passing through...
JEE Main Physics Medium
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