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QJEE Main 2022_
As shown in the figure, after passing through the medium 1 . The speed of light $v_2$ in medium 2 will be.i (Given $...
JEE MainPhysicsMedium
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QJEE MAIN 2022
Elevation in boiling point for 1.5 molal solution of glucose in water is 4 K . The depression in freezing point for 4.5 molal solution...
JEE MainChemistryEasy
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QJEE MAIN 2022
A pressure-pump has a horizontal tube of cross-sectional area $10 \mathrm{~cm}^2$ for the outflow of water at a speed of $20 \mathrm{~m} / \mathrm{s}$. The...
JEE MainPhysicsMedium
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QJEE MAIN 2022
In the circuit shown below, maximum zener diode current will be ____mA
JEE MainPhysicsMedium
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QJEE MAIN 2022
A battery of 6 V is connected to the circuit as shown below. The current I drawn from the battery is
JEE MainPhysicsMedium
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QJEE MAIN 2022
A body of mass 10 kg is projected at an angle of $45^{\circ}$ with the horizontal. The trajectory of the body is observed to pass...
JEE MainPhysicsHard
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QJEE MAIN 2022
At time $t=0$ a particle starts travelling from a height $7 \hat{z} \mathrm{~cm}$ in a plane keeping z coordinate constant. At any instant of time...
JEE MainPhysicsMedium
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QJEE Main 2022
The equation of current in a purely inductive circuit is $5 \sin \left(49 \pi t-30^{\circ}\right)$. If the inductance is 30 mH then the equation for...
JEE MainPhysicsMedium
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QJEE MAIN 2022
Find the modulation index of an AM wave having 8V variation where maximum amplitude of the AM wave is 9 V.
JEE MainPhysicsEasy
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QJEE MAIN 2022
Consider the efficiency of Carnot's engine is given by $\eta=\frac{\alpha \beta}{\sin \theta} \log _{\mathrm{e}} \frac{\beta \mathrm{x}}{\mathrm{kT}}$, where $\alpha$ and $\beta$ are constants. If T is...
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