Chapter 15 – Properties of Matter
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The electron in the hydrogen atom jumps form excited state (n=3) to its ground state (n=1) and the photons thus emitted irradiate a photosensitive material. If the work function of the material is 5.1eV, the stopping potential is estimated to be:
09
Jun
The electron in the hydrogen atom jumps form excited state (n=3) to its ground state (n=1) and the photons thus emitted irradiate a photosensitive material. If the work function of the material is 5.1eV, the stopping potential is estimated to be: electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom [...]
An electron is in an excited state in a hydrogen-like atom. It has a total energy of -3.4 eV. The kinetic energy of the electron is E and its de Broglie wavelength is λ.
09
Jun
An electron is in an excited state in a hydrogen-like atom. It has a total energy of -3.4 eV. The kinetic energy of the electron is E and its de Broglie wavelength is λ. An electron is in an excited state in a hydrogen-like atom. It has a total energy of -3.4 eV. The kinetic [...]
Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kinetic energy of the fastest photo electrons emitted from from sodium is 0.73eV . The work function for sodium is 1.82eCV
09
Jun
Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kinetic energy of the fastest photo electrons emitted from from sodium is 0.73eV . The work function for sodium is 1.82eCV electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be [...]
Imagine an atom made up of a proton and a hypothetical particle of double the mass of the electron but having the same charge as the electron. Apply the Bohr atom model and consider all possible transitions of this hypothetical particle to the first exited level . The longest wavelength photon that will be emitted has longest wavelength λ (given in terms of the Rydberg constant R for the hydrogen atom) equal to
09
Jun
Imagine an atom made up of a proton and a hypothetical particle of double the mass of the electron but having the same charge as the electron. Apply the Bohr atom model and consider all possible transitions of this hypothetical particle to the first exited level . The longest wavelength photon that will be emitted [...]
A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with excitation energy 10.2 eV. The quantum number n of the upper and the lower energy states are
09
Jun
A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with excitation energy 10.2 eV. The quantum number n of the upper and the lower energy states are A hydrogen atom in a state having a binding energy of 0.85 eV makes transition to a state with [...]
The ionisation potential of hydrogen atom is -13.6 ev an electron the ground state of a hydrogen atom absorbs a photon of energy 12.75 eV. How many different spectral lines can one expert when the electron make a downward transition
09
Jun
The ionisation potential of hydrogen atom is -13.6 ev an electron the ground state of a hydrogen atom absorbs a photon of energy 12.75 eV. How many different spectral lines can one expert when the electron make a downward transition Of the following transitions in a hydrogen atom the one which gives an absorption line [...]
Electrons in a certain energy level n=n1, can emit 3 spectral lines. When they are in another energy level n=n2. They can emit 6 spectral lines. The orbital speeds of the electrons in the two orbits are in the ratio
09
Jun
Electrons in a certain energy level n=n1, can emit 3 spectral lines. When they are in another energy level n=n2. They can emit 6 spectral lines. The orbital speeds of the electrons in the two orbits are in the ratio can emit 3 spectral lines. When they are in another energy level n=n2. They can [...]
In hydrogen atom, electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be
09
Jun
In hydrogen atom, electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be electron makes transition from n=4 to n=1 level. Recoil momentum of the H atom will be In hydrogen atom June 9, 2021 Category: Cengage NEET by C.P Singh , Chapter 15 - Properties of Matter ,
In a hypothetical Bohr hydrogen, the mass of the electron is doubled. The energy E0 and the radius r0 of the first orbit will be (a0 is the Bohr radius)
09
Jun
In a hypothetical Bohr hydrogen, the mass of the electron is doubled. The energy E0 and the radius r0 of the first orbit will be (a0 is the Bohr radius) In a hypothetical Bohr hydrogen the mass of the electron is doubled. The energy E0 and the radius r0 of the first orbit will be [...]
A hydrogen sample is prepared in a particular state A photon of energy 2.55eV gel absorbed into the sample to take some of the electron to a further excited state B find the quantum numbers of the A and B
09
Jun
A hydrogen sample is prepared in a particular state A photon of energy 2.55eV gel absorbed into the sample to take some of the electron to a further excited state B find the quantum numbers of the A and B Of the following transitions in a hydrogen atom the one which gives an absorption line [...]