Question Answers
Sahay Sir > Question Answers
The energy required to ionise 2 mole of gaseous he+ ion present in its ground state is :
10
Nov
The energy required to ionise 2 mole of gaseous he+ ion present in its ground state is : The energy required to ionise 2 mole of gaseous he+ ion present in its ground state is : November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry [...]
If ao be the radius of the first orbit of Bohr’s orbit of H-atom, the de-Broglie wavelength of an electron revolving in the second Bohr’s orbit will be:
10
Nov
If ao be the radius of the first orbit of Bohr’s orbit of H-atom, the de-Broglie wavelength of an electron revolving in the second Bohr’s orbit will be: If ao be the radius of the first orbit of Bohr's orbit of H-atom the de-Broglie wavelength of an electron revolving in the second Bohr's orbit will [...]
The number of photons of light having wave number x in 10 J of energy source is:
10
Nov
The number of photons of light having wave number x in 10 J of energy source is: The number of photons of light having wave number x in 10 J of energy source is: November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
The momentum (in k-m/s) of photon having 6 MeV energy is :
10
Nov
The momentum (in k-m/s) of photon having 6 MeV energy is : The momentum (in k-m/s) of photon having 6 MeV energy is : November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
An electron travels with a velocity of x ms^−1. For a proton to have the same de-Broglie wavelength, the velocity will be approximately:
10
Nov
An electron travels with a velocity of x ms^−1. For a proton to have the same de-Broglie wavelength, the velocity will be approximately: An electron travels with a velocity of x ms^−1. For a proton to have the same de-Broglie wavelength the velocity will be approximately: November 10, 2020 Category: Chapter 2 - Atomic Structure [...]
The de Broglie wavelength of an electron accelerated by an electric field of V volt is given by:
10
Nov
The de Broglie wavelength of an electron accelerated by an electric field of V volt is given by: The de Broglie wavelength of an electron accelerated by an electric field of V volt is given by: November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry [...]
Be^3+ and a proton are accelerated by the same potential, their de-Broglie wavelengths have the ratio (assume mass of proton = mass of neutron):
10
Nov
Be^3+ and a proton are accelerated by the same potential, their de-Broglie wavelengths have the ratio (assume mass of proton = mass of neutron): Be^3+ and a proton are accelerated by the same potential their de-Broglie wavelengths have the ratio (assume mass of proton = mass of neutron): November 10, 2020 Category: Chapter 2 - [...]
A dye absorbs a photon of wavelength λ and re-emits the same energy into two photons of wavelength λ1 and λ2 respectively. The wavelength λ is related to λ1 and λ2 as:
10
Nov
A dye absorbs a photon of wavelength λ and re-emits the same energy into two photons of wavelength λ1 and λ2 respectively. The wavelength λ is related to λ1 and λ2 as: A dye absorbs a photon of wavelength λ and re-emits the same energy into two photons of wavelength λ1 and λ2 respectively. The [...]
An excited state of H atom emits a photon of wavelength λ and returns in the ground state. The principal quantum number of excited state is given by:
10
Nov
An excited state of H atom emits a photon of wavelength λ and returns in the ground state. The principal quantum number of excited state is given by: An excited state of H atom emits a photon of wavelength λ and returns in the ground state. The principal quantum number of excited state is given [...]
Which of the following graphs correctly represents the variation of particle momentum with associated de Broglie wavelength?
10
Nov
Which of the following graphs correctly represents the variation of particle momentum with associated de Broglie wavelength? Which of the following graphs correctly represents the variation of particle momentum with associated de Broglie wavelength? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,