N Awasthi Physical Chemistry
What is the wavelength in nm of the spectral line associated with a transition from n=3 to n= 2 for the Li2+ ion?
10
Nov
What is the wavelength in nm of the spectral line associated with a transition from n=3 to n= 2 for the Li2+ ion? What is the wavelength in nm of the spectral line associated with a transition from n=3 to n= 2 for the Li2+ ion? November 10, 2020 Category: Chapter 2 - Atomic Structure [...]
Find the value of wave number (v ˉ) in terms of Rydberg’s constant, when transition of electron takes place between two levels of He + ion whose sum is 4 and difference is 2.
10
Nov
Find the value of wave number (v ˉ) in terms of Rydberg’s constant, when transition of electron takes place between two levels of He + ion whose sum is 4 and difference is 2. Find the value of wave number (v ˉ) in terms of Rydberg's constant when transition of electron takes place between two [...]
With increasing quantum number, the energy difference between adjacent energy levels in H – atoms:
10
Nov
With increasing quantum number, the energy difference between adjacent energy levels in H – atoms: the energy difference between adjacent energy levels in H - atoms: With increasing quantum number November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Multiple or fine structure of spectral lines is due to :
10
Nov
Multiple or fine structure of spectral lines is due to : Multiple or fine structure of spectral lines is due to : November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
Which of the following expressions represents the spectrum of Balmer series (If n is the principal quantum number of higher energy level) in Hydrogen atom ?
10
Nov
Which of the following expressions represents the spectrum of Balmer series (If n is the principal quantum number of higher energy level) in Hydrogen atom ? Which of the following expressions represents the spectrum of Balmer series (If n is the principal quantum number of higher energy level) in Hydrogen atom ? November 10, 2020 [...]
Electron transition in He^+ ion takes from n2 to n1 shell such that: 2n 2 +3n 1 =18 2n 2 −3n 1 =6 What will be the total number of photons emitted when electrons transit to n1 shell?
10
Nov
Electron transition in He^+ ion takes from n2 to n1 shell such that: 2n 2 +3n 1 =18 2n 2 −3n 1 =6 What will be the total number of photons emitted when electrons transit to n1 shell? Electron transition in He^+ ion takes from n2 to n1 shell such that: [...]
Assume that 2×10^−17 J of light energy is needed by the interior of the human eye to see an object. How many photons of yellow light with λ=595.2nm are needed to generate this generate this minimum energy ?
10
Nov
Assume that 2×10^−17 J of light energy is needed by the interior of the human eye to see an object. How many photons of yellow light with λ=595.2nm are needed to generate this generate this minimum energy ? What is ratio of time periods (T1 /T 2 ) in second orbit of hydrogen atom to [...]
Wavelength for high energy EMR transition in H-atom is 91 nm. What energy is needed for this transition?
10
Nov
Wavelength for high energy EMR transition in H-atom is 91 nm. What energy is needed for this transition? Wavelength for high energy EMR transition in H-atom is 91 nm. What energy is needed for this transition? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry [...]
What is the energy content per photon (J) for light of frequency 4.2×10^14 Hz?
10
Nov
What is the energy content per photon (J) for light of frequency 4.2×10^14 Hz? What is the energy content per photon (J) for light of frequency 4.2×10^14 Hz? November 10, 2020 Category: Chapter 2 - Atomic Structure (Level 1 and Level 2) , N Awasthi Physical Chemistry ,
The ionization potential for the electron in the ground state of hydrogen atom is 13.6 eV atom^-1.What would be the ionization potential for the electron in the first excited state of Li2+ ?
10
Nov
The ionization potential for the electron in the ground state of hydrogen atom is 13.6 eV atom^-1.What would be the ionization potential for the electron in the first excited state of Li2+ ? The ionization potential for the electron in the ground state of hydrogen atom is 13.6 eV atom^-1.What would be the ionization potential [...]