Physics

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…

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…

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)…

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…

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…

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.…

Which of the following is true for number of spectral lines in going from Lyman series

Which of the following is true for number of spectral lines in going from Lyman series to Pfund series? Options…

Moderator used in nuclear reactor is

Moderator used in nuclear reactor is Options (a) Ice (b) Boron rods (c) Cadmium rods (d) Heavy water Correct Answer:…

An electron of a stationary hydrogen atom passes from the fifth energy level to

An electron of a stationary hydrogen atom passes from the fifth energy level to the ground level. The velocity that…

An electron in the hydrogen atom jumps from excited state n to the ground state

An electron in the hydrogen atom jumps from excited state n to the ground state. The wavelength so emitted illuminates…