What is the Q-value of the reaction? ¹H+⁷Li→⁴He+⁴He
What is the Q-value of the reaction? ¹H+⁷Li → ⁴He+⁴He The atomic masses of ¹H,⁴He and ⁷Li are 1.0078254u, 4.0026034u…
7 years ago
Atoms and Nuclei
If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy
If the binding energy of the electron in a hydrogen atom is 13.6 eV, the energy required to remove the…
7 years ago
If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie wavelength of the incident…
7 years ago
When the wave of hydrogen atom comes from infinity into the first orbit,
When the wave of hydrogen atom comes from infinity into the first orbit, the value of wave number is Options…
7 years ago
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…
7 years ago
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)…
7 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…
7 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…
7 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…
7 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)…
7 years ago