For principal quantum number n=3, the possible values of orbital quantum number
For principal quantum number n=3, the possible values of orbital quantum number l are Options (a) 1,2,3 (b) 0,1,2,3 (c)…
7 years ago
Atoms and Nuclei
The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released when an electron jumps from the…
7 years ago
The first line in Lyman series has wavelength λ. The wavelength
The first line in Lyman series has wavelength λ. The wavelength of the first line in Balmer series is Options…
7 years ago
The excitation potential of hydrogen atom in the first excited state is
The excitation potential of hydrogen atom in the first excited state is Options (a) 13.6 V (b) (-13.6 V) (c)…
7 years ago
Number of spectral lines in hydrogen atom is
Number of spectral lines in hydrogen atom is Options (a) 8 (b) 6 (c) 15 (d) ∞ Correct Answer: ∞Explanation:No…
7 years ago
If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits a photon…
7 years ago
Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube.
Electrons of mass m with de-Broglie wavelength λ fall on the target in an X-ray tube. The cut-off wavelength (λ₀)…
7 years ago
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus of charge Ze, its distance…
7 years ago
Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line
Given the value of Rydberg constant is 10⁷ m⁻¹, the wave number of the last line of the Balmer series…
7 years ago
What is the wavelength of light for the least energetic photon emitted
What is the wavelength of light for the least energetic photon emitted in the Lyman series of the hydrogen spectrum.…
7 years ago