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QJEE MAIN 2025
In the digital circuit shown in the figure, for the given inputs the $P$ and $Q$ values are :
JEE MainPhysicsMedium
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QJEE MAIN 2025
Two water drops each of radius ' $r$ ' coalesce to form a bigger drop. If ' $T$ ' is the surface tension, the surface...
JEE MainPhysicsMedium
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QJEE MAIN 2025
Consider a circular loop that is uniformly charged and has a radius $a \sqrt{2}$. Find the position along the positive $z$-axis of the cartesian coordinate...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Identify the characteristics of an adiabatic process in a monoatomic gas. (A) Internal energy is constant. (B) Work done in the process is equal to...
JEE MainPhysicsEasy
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QJEE MAIN 2025
A solenoid having area $A$ and length ' $l$ ' is filled with a material having relative permeability 2 . The magnetic energy stored in...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A bi-convex lens has radius of curvature of both the surfaces same as $1 / 6 \mathrm{~cm}$. If this lens is required to be replaced...
JEE MainPhysicsMedium
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QJEE MAIN 2025
An electron with mass ' m ' with an initial velocity $(t=0) \vec{v}=v_{0} \hat{i}\left(v_{0}>0\right)$ enters a magnetic field $\vec{B}=B_{0} \hat{j}$. If the initial de-Broglie wavelength...
JEE MainPhysicsEasy
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QJEE MAIN 2025
A sportsman runs around a circular track of radius $r$ such that he traverses the path $A B A B$. The distance travelled and displacement,...
JEE MainPhysicsEasy
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QJEE MAIN 2025
In a moving coil galvanometer, two moving coils $M_{1}$ and $M_{2}$ have the following particulars : $R_{1}=5 \Omega, N_{1}=15, A_{1}=3.6 \times 10^{-3} m^{2}, B_{1}=0.25 T$...
JEE MainPhysicsMedium
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QJEE MAIN 2025
The moment of inertia of a circular ring of mass M and diameter r about a tangential axis lying in the plane of the ring...
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