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QJEE MAIN 2020
For the Balmer series in the spectrum of H atom, $\bar{v}=\mathrm{R}_{\mathrm{H}}\left\{\frac{1}{\mathrm{n}_1^2}-\frac{1}{\mathrm{n}_2^2}\right\}$, the correct statements among (I) to (VI) are (I) As wavelength decreases, the...
JEE MainChemistryMedium
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QJEE Main 2019
Which of the graphs shown below does not represent the relationship between incident light and the electron ejected from metal surface?
JEE MainChemistryEasy
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QJEE Main 2019
The major product of the following reaction is
JEE MainChemistryEasy
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QJEE MAIN 2020
The region in the electromagnetic spectrum where the Balmar series lines appear is
JEE MainChemistryEasy
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QJEE Main 2019
The major product of the following reaction is
JEE MainChemistryEasy
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QJEE MAIN 2020
The shortest wavelength of H atom in the Lyman series is $\lambda_1$. The longest wavelength in the Balmar series of $\mathrm{He}^{+}$is
JEE MainChemistryEasy
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QJEE MAIN 2019
The de Broglie wavelength ( $\lambda$ ) associated with a photoelectron varies with the frequency ( $v$ ) of the incident radiation as, [ $v_0$...
JEE MainChemistryEasy
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QJEE MAIN 2019
Which one of the following about an electron occupying the 1s orbital in a hydrogen atom is incorrect? (The Bohr radius is represented by a0)
JEE MainChemistryMedium
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QJEE-MAIN 2020
Consider the hypothetical situation where the azimuthal quantum number,l, takes value 0, 1, 2, ... n + 1, where n is the principal quantum number....
JEE MainChemistryEasy
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QJEE MAIN 2020
The radius of the second Bohr orbit, in terms of the Bohr radius, $\mathbf{a}_0$, in $\mathrm{Li}^{2+}$ is
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