N Awasthi Physical Chemistry
The mass of a particle is 10^−10 g and its radius is 2×10^−4 cm. If its velocity is 10^−6cm sec^−1 with 0.0001% uncertainty in measurement, the uncertainty in its position is :
10
Nov
The mass of a particle is 10^−10 g and its radius is 2×10^−4 cm. If its velocity is 10^−6cm sec^−1 with 0.0001% uncertainty in measurement, the uncertainty in its position is : The mass of a particle is 10^−10 g and its radius is 2×10^−4 cm. If its velocity is 10^−6cm sec^−1 with 0.0001% uncertainty [...]
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 [...]