Chapter 30 – Atoms
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Hydrogen atom in ground state is excited by a monochromatic radiation of λ=975 A. Number of spectral lines in the resulting spectrum emitted will be
21
Aug
Hydrogen atom in ground state is excited by a monochromatic radiation of λ=975 A. Number of spectral lines in the resulting spectrum emitted will be Hydrogen atom in ground state is excited by a monochromatic radiation of λ=975 A. Number of spectral lines in the resulting spectrum emitted will be August 21, 2020 Category: Chapter [...]
The ionisation energy of hydrogen atom is 13.6 eV, the ionisation energy of helium atom would be
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Aug
The ionisation energy of hydrogen atom is 13.6 eV, the ionisation energy of helium atom would be the ionisation energy of helium atom would be The ionisation energy of hydrogen atom is 13.6 eV August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
Energy levels A,B,C of a certain atom corresponding to increasing values of energy i.e., EA < EB < EC. If λ1, λ2, λ3 are the wavelengths of radiations corresponding to the transitions C to B, B to A and C to A respectively, which of the following statements is correct?
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Aug
Energy levels A,B,C of a certain atom corresponding to increasing values of energy i.e., EA
The ground state energy of H-atom is 13.6 eV. the energy needed to ionise H-atom from its second excited state
16
Aug
The ground state energy of H-atom is 13.6 eV. the energy needed to ionise H-atom from its second excited state The ground state energy of H-atom is 13.6 eV. the energy needed to ionise H-atom from its second excited state August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 [...]
Which source is associated with a line emission spectrum ?
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Aug
Which source is associated with a line emission spectrum ? Which source is associated with a line emission spectrum ? August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Hydrogen atoms are excited from ground state of the principal quantum number 4. Then, the number of spectral lines observed will be
16
Aug
Hydrogen atoms are excited from ground state of the principal quantum number 4. Then, the number of spectral lines observed will be Hydrogen atoms are excited from ground state of the principal quantum number 4. Then the number of spectral lines observed will be August 16, 2020 Category: Chapter 30 - Atoms , NEET Last [...]
The spectrum obtained from a sodium vapour lamp is an example of
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Aug
The spectrum obtained from a sodium vapour lamp is an example of The spectrum obtained from a sodium vapour lamp is an example of August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
When a hydrogen atom is raised from the ground state to an excited state
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Aug
When a hydrogen atom is raised from the ground state to an excited state When a hydrogen atom is raised from the ground state to an excited state August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The energy of ground electronic state of hydrogen atom is – 13.6 eV. The energy of the first excited state will be
16
Aug
The energy of ground electronic state of hydrogen atom is – 13.6 eV. The energy of the first excited state will be The energy of ground electronic state of hydrogen atom is - 13.6 eV. The energy of the first excited state will be August 16, 2020 Category: Chapter 30 - Atoms , NEET Last [...]
When electron jumps from n = 4 to n = 2 orbit, we get
16
Aug
When electron jumps from n = 4 to n = 2 orbit, we get we get When electron jumps from n = 4 to n = 2 orbit August 16, 2020 Category: Chapter 30 - Atoms , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,