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QJEE MAIN 2024
Let the line 2x+3y-k=0,k>0, intersect the x-axis and y-axis at the points A and B, respectively. If the equation of the circle having the line...
JEE MainMathematicsMedium
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QJEE MAIN 2024
Let the first three terms $2, p$ and $q$, with $q \neq 2$, of a G.P. be respectively the $7^{\text {th }}, 8^{\text {th }}$...
JEE MainMathematicsEasy
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QJEE MAINS 2024
In a plane EM wave, the electric field oscillates sinusoidally at a frequency of $5 \times 10^{10} \mathrm{~Hz}$ and an amplitude of $50 \mathrm{Vm}^{-1}$. The...
JEE MainPhysicsMedium
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QJEE MAIN
Radius of a certain orbit of hydrogen atom is 8.48Å. If energy of electron in this orbit is E/x, then x=(Given $a_0$ = 0.529Å, E...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Let a circle C of radius 1 and closer to the origin be such that the lines passing through the point (3,2) and parallel to...
JEE MainMathematicsEasy
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QJEE MAIN 2024
Let a unit vector which makes an angle of $60^{\circ}$ with $2 \hat{\imath}+2 \hat{\jmath}-\hat{k}$ and an angle of $45^{\circ}$ with $\hat{\imath}-\hat{k}$ be $\vec{C}$. Then $...
JEE MainMathematicsEasy
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QJEE-Main 2024
Let C be the circle of minimum area touching the parabola $y=6-x^2$ and the lines y=√3|x|. Then, which one of the following points lies on...
JEE MainMathematicsMedium
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QJEE MAINS 2024
If the percentage errors in measuring the length and the diameter of a wire are 0.1% each. The percentage error in measuring its resistance will...
JEE MainPhysicsEasy
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QJEE MAIN 2024
Let the sum of two positive integers be 24 . If the probability, that their product is not less than $\frac{3}{4}$ times their greatest positive...
JEE MainMathematicsMedium
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QJEE MAIINS 2024
The given figure represents two isobaric processes for the same mass of an ideal gas, then
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