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QJEE MAIN 2025
An infinitely long wire has uniform linear charge density $\lambda=2 \mathrm{nC} / \mathrm{m}$. The net flux through a Gaussian cube of side length $\sqrt{3} \mathrm{~cm}$,...
JEE MainPhysicsEasy
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QJEE MAIN 2025
If the domain of the function $f(x)=\frac{1}{\sqrt{10+3 x-x^2}}+\frac{1}{\sqrt{x+|x|}}$ is $(a, b)$, then $(1+a)^2+b^2$ is equal to:
JEE MainMathematicsEasy
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QJEE MAIN 2025
If the image of the point $\mathrm{P}(1,0,3)$ in the line joining the points $\mathrm{A}(4,7,1)$ and $\mathrm{B}(3,5,3)$ is $Q(\alpha, \beta, \gamma)$, then $\alpha+\beta+\gamma$ is equal to...
JEE MainMathematicsEasy
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QJEE MAIN 2025
Match the LIST-I with LIST-II
Choose the correct answer from the options given below:
JEE MainChemistryEasy
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QJEE MAIN 2025
On combustion 0.210 g of an organic compound containing $\mathrm{C}, \mathrm{H}$ and O gave $0.127 \mathrm{gH}_2 \mathrm{O}$ and $0.307 \mathrm{gCO}_2$ . The percentages of hydrogen...
JEE MainChemistryMedium
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QJEE MAIN_2025
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A : If Oxygen ion...
JEE MainPhysicsMedium
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QJEE MAIN 2025
A monoatomic gas having $\gamma=\frac{5}{3}$ is stored in a thermally insulated container and the gas is suddenly compressed to $\left(\frac{1}{8}\right)^{\text {th }}$ of its initial...
JEE MainPhysicsMedium
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QJEE MAIN 2025
In a first order decomposition reaction, the time taken for the decomposition of reactant to one fourth and one eighth of its initial concentration are...
JEE MainChemistryEasy
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QJEE MAIN_2025
Width of one of the two slits in a Young's double slit interference experiment is half of the other slit. The ratio of the maximum...
JEE MainPhysicsEasy
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QJEE MAIN 2025
Two cylindrical rods $A$ and $B$ made of different materials, are joined in a straight line. The ratios of lengths, radii and thermal conductivities of...
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