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QJEE MAINS 2024
The refractive index of a prism with apex angle A is cotA/2. The angle of minimum deviation is :
JEE MainPhysicsEasy
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QJEE MAIN
An element $\Delta l=\Delta x \hat{i}$ is placed at the origin and carries a large current I=10 A. The magnetic field on the y-axis at...
JEE MainPhysicsMedium
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QJEE MAIN 2024
The sum of all the solutions of the equation $(8)^{2 x}-16 \cdot(8)^x+48=0$ is is:
JEE MainMathematicsEasy
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QJEE MAIN 2024N
If the system of equations
has infinitely many solutions, then $\lambda^4-\mu$ is equal to:
JEE MainMathematicsEasy
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QJEE MAINS 2024
$$ \text { The relation between time ' } t \text { ' and distance ' } x \text { ' is } t=\alpha x^2+\beta...
JEE MainPhysicsHard
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QJEE MAIN
A train starting from rest first accelerates uniformly up to a speed of 80 km/h for time t, then it moves with a constant speed...
JEE MainPhysicsMedium
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QJEE MAIN 2024
The value of $k \in \mathbb{N}$ for which the integral $I_n=\int_0^1\left(1-x^k\right)^n d x, n \in \mathbb{N}$, satisfies $147 I_{20}=148 I_{21}$ is:
JEE MainMathematicsMedium
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QJEE-Main 2024
If $f(x)=\left\{\begin{array}{cc}x^3 \sin \left(\frac{1}{x}\right), & x \neq 0 \\ 0, & x=0\end{array}\right.$, then
JEE MainMathematicsMedium
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QJEE MAIN
Four particles A, B, C, D of mass$\frac{m}{2}, m, 2 m, 4 m$, have same momentum, respectively. The particle with maximum kinetic energy is :
JEE MainPhysicsEasy
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QJEE MAIN 2024
For the function f(x)=sinx+3x-2x2+x, where x0,2, consider the following two statements : (I) f is increasing in 0,2. (II) f' is decreasing in 0,2. Between...
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