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A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength `50 nm` Assuming that the entire photon energy is taken up by

Monjur Alahi

A hydrogen atom in ground state absorbs a photon of ultraviolet radiation of wavelength `50 nm` Assuming that the entire photon energy is taken up by the electron with what kinetic energy will the electron be ejected?


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Salim Ahmed Kawsar

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Correct Answer - `[11.2eV]`

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Hydrogen atoms in very high quantum state have been observed in radio astronomy. The wavelength of radiation emitted when hydrogen atom makes transiti

Correct Answer - `5.8 cm`

2 Answers 1 views
Which of the followings can excite a hydrogen atom in ground state? (i) A photon having 11 eV energy (ii) A neutron having `11 eV` kinetic energy (iii

Correct Answer - An electron having `11 eV` kinetic energy.

2 Answers 2 views
A light photon of wavelength `lambda_(0)` is absorbed by an atom of mass m at rest in ground state. The atom is free to move. The atom after absorbing

Correct Answer - `lambda_(0) = (2h)/(sqrt(2mk) + (k)/(c))`

2 Answers 7 views
A free hydrogen atom in its ground state is at rest. A neutron having kinetic energy `k_(0)` collides head one with the atom. Assume that mass of both

Correct Answer - (a) `20.4 eV` , (b) `8.72 eV` or `4.19 eV`

2 Answers 1 views
A hydrogen atom in ground state is moving with a kinetic energy of 30 eV. It collides with a deuterium atom in ground state at rest. The hydrogen atom

Correct Answer - `20 eV, 13.2 eV`

2 Answers 1 views
By giving energy to a hydrogen atom in energy state n=1. If the potential energy of the atom in n=1 state be `-13.6 eV`, calculate (a) potential enreg

Correct Answer - `-0.85 eV, 12.75 eV, 971 Å`

2 Answers 1 views
A photon of energy 12.09 eV is absorbed by an electron in ground state of a hydrogen atoms. What will be the energy level of electron ? The energy of

Correct Answer - n=3

2 Answers 3 views
A beam of ultraviolet radius hacking wavelength between `100nm and 200nm` is inclined on a sample of atomic hydrogen gas. Assuming that the atoms are

Correct Answer - `[lambda_(1) = 122 nm; lambda_(2) = 103 nm]`

2 Answers 1 views
Calculate the energy of hydrogen atom in the ground state given that the after Bohr orbit og hydrogen is `5xx10^(-11)m` and electronic charge is `1.6x

Correct Answer - `-2.304xx10^(-18) J`

2 Answers 1 views
The minimum kinetic energy of a ground state hydrogen atom required to have head-on collision with another ground state hydrogen atom but at rest to p

Correct Answer - 20.4 eV

2 Answers 2 views

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