The electron of a hydrogen atom revolves round the proton in a circular
The electron of a hydrogen atom revolves round the proton in a circular nth orbit of radius rn=ε₀n²h²/(πme²) with a…
8 years ago
Physics
Which of the following transitions will have highest emission wavelength?
Which of the following transitions will have highest emission wavelength? Options (a) n=2 to n=1 (b) n=1 to n=2 (c)…
8 years ago
The wavelength of first line of Balmer series is 6563Å. The wavelength of first line
The wavelength of first line of Balmer series is 6563Å. The wavelength of first line of Lyman series will be…
8 years ago
The ratio of longest wavelength corresponding to Lyman and Blamer series
The ratio of longest wavelength corresponding to Lyman and Blamer series in hydrogen spectrum is Options (a) 3 / 23…
8 years ago
When alpha particles captures and electron, then it becomes a
When alpha particles captures and electron, then it becomes a Options (a) helium atom (b) hydrogen atom (c) helim ion…
8 years ago
The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is
The wavelength of Kα line in copper is 1.5Å. The ionisation energy of K electron in copper is Options (a)…
8 years ago
One milligram of matter on convertion into energy will give
One milligram of matter on convertion into energy will give Options (a) 9x10⁵ J (b) 9x10¹⁰ J (c) 9x10³ J…
8 years ago
The transition from the state 3 n = 3 to n = 1 in a hydrogen like atom results
The transition from the state 3n = 3 to n = 1 in a hydrogen like atom results in ultraviolet…
8 years ago
In nuclear fission, the percentage of mass converted into energy is about
In nuclear fission, the percentage of mass converted into energy is about Options (a) 10% (b) 0.01% (c) 0.10% (d)…
8 years ago
In Bohr model of hydrogen atom, the force on the electron depends on the principal
In Bohr model of hydrogen atom, the force on the electron depends on the principal quantum number (n) as Options…
8 years ago