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QJEE MAIN 2024
Total number of ions from the following with noble gas configuration is $...
JEE MainChemistryEasy
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QJEE MAIN 2024
The time period of simple harmonic motion of mass M in the given figure is $\pi \sqrt{\frac{\alpha M}{5 K}}$, where the value of $\alpha$ is...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Identity the incorrect pair from the following:
JEE MainChemistryEasy
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QJEE MAIN 2024
A series $L C R$ circuit with $L=\frac{100}{\pi} \mathrm{mH}, \mathrm{C}=\frac{10^{-3}}{\pi} \mathrm{~F}$ and $\mathrm{R}=10 \Omega$, is connected across an ac source of $220 \mathrm{~V}, 50 \mathrm{~Hz}$...
JEE MainPhysicsMedium
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QJEE MAIN 2024
A particular hydrogen - like ion emits the radiation of frequency $3 \times 10^{15} \mathrm{~Hz}$ when it makes transition from n=2 to n=1. The frequency...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Two identical spheres each of mass 2 kg and radius 50 cm are fixed at the ends of a light rod so that the separation...
JEE MainPhysicsMedium
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QJEE MAIN 2024
The incorrect statement regarding conformations of ethane is:
JEE MainChemistryEasy
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QJEE MAIN 2024
If Rydberg's constant is R, the longest wavelength of radiation in Paschen series will be $\frac{\alpha}{7 \mathrm{R}}$, where α=
JEE MainPhysicsEasy
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QJEE MAIN 2024
Two identical spheres each of mass 2 kg and radius 50 cm are fixed at the ends of a light rod so that the separation...
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