Get chapter-wise JEE Main & Advanced questions with solutions
QJEE MAIN 2021
The coordination number of an atom in a bodycentered cubic structure is _______.
[Assume that the lattice is made up of atoms.]
JEE MainChemistryEasy
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QJEE MAIN 2022
An element M crystallises in a body centred cubic unit cell with a cell edge of 300 pm . The density of the element is...
JEE MainChemistryEasy
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QJEE MAIN 2022
In the given circuit the input voltage $\mathrm{V}_{\text {in }}$ is shown in figure. The cut-in voltage of $\mathrm{p}-\mathrm{n}$ junction diode ( $\mathrm{D}_1$ or $\mathrm{D}_2$...
JEE MainPhysicsEasy
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QJEE MAIN 2022
Metal $M$ crystallizes into a FCC lattice with the edge length of $4.0 \times 10^{-8} \mathrm{~cm}$. The atomic mass of the metal is $\_\_\_\_$ $...
JEE MainChemistryEasy
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QJEE MAIN 2022
An n.p.n transistor with current gain $\beta=100$ in common emitter configuration is shown in figure. The output voltage of the amplifier will be
JEE MainPhysicsEasy
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Q JEE MAIN 2022
In the circuit, the logical value of A = 1 or B = 1 when potential at A or B is 5V and the logical...
JEE MainPhysicsEasy
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QJEE-Main 2022
Atoms of element $X$ form hcp lattice and those of element $Y$ occupy $\frac{2}{3}$ of its tetrahedral voids. The percentage of element X in the...
JEE MainChemistryEasy
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QJEE MAIN 2022
The distance between $\mathrm{Na}^{+}$and $\mathrm{Cl}^{-}$ions in 'solid NaCl of density $43.1 \mathrm{~g} \mathrm{~cm}^{-3}$ is $\_\_\_\_$ $\times 10^{-10} \mathrm{~m}$. (Nearest Integer) (Given : $...
JEE MainChemistryMedium
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QJEE MAIN 2022
The incorrect statement about the imperfections in solids is :
JEE MainChemistryEasy
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QJEE MAIN 2024
In the given circuit, the voltage across load resistance ( $R_L$ ) is:
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