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Questions and Answers
According to Bohr's second postulate, the angular momentum of an electron is an integral multiple of â„Ž /2Ï€. The S.I unit of Planck constant h is the same as...
According to Bohr's second postulate, the angular momentum of an electron is an integral multiple of â„Ž /2Ï€. The S.I unit of Planck constant h is the same as...
- Centripetal force
- Energy
- Linear momentum
- Angular momentum (correct)
For a hydrogen atom, the minimum excitation energy (of n = 2) is...
For a hydrogen atom, the minimum excitation energy (of n = 2) is...
- 10.2 eV (correct)
- 3.4 eV
- 13.6 eV
- -10.2 eV
Based on the Bohr atomic model, the radii of Bohr orbits are directly proportional to...
Based on the Bohr atomic model, the radii of Bohr orbits are directly proportional to...
- Principal quantum number
- Cube of principal quantum number
- Independent of principal quantum number
- Square of principal quantum number (correct)
In De Broglie's Hypothesis, what property did he associate with matter?
In De Broglie's Hypothesis, what property did he associate with matter?
The experiment to study the characteristics of photoelectric effect involves...
The experiment to study the characteristics of photoelectric effect involves...
What relationship does the speed of an electron in the nth orbit of a hydrogen atom have with the principal quantum number?
What relationship does the speed of an electron in the nth orbit of a hydrogen atom have with the principal quantum number?
According to De Broglie, with what are waves associated?
According to De Broglie, with what are waves associated?
What determines the maximum velocity of a particle in photoelectric effect?
What determines the maximum velocity of a particle in photoelectric effect?
What is the threshold wavelength of a metal with a work function of 4.2 eV?
What is the threshold wavelength of a metal with a work function of 4.2 eV?
What does the term 'wave-particle duality' refer to in modern physics?
What does the term 'wave-particle duality' refer to in modern physics?
Which equation is associated with the photoelectric effect according to Einstein?
Which equation is associated with the photoelectric effect according to Einstein?
What is the definition of atomic number?
What is the definition of atomic number?
Which statement best describes mass number?
Which statement best describes mass number?
What are isotopes?
What are isotopes?
What is a common application of nuclear fusion?
What is a common application of nuclear fusion?
In the Bohr model, what happens when an electron transitions between energy levels?
In the Bohr model, what happens when an electron transitions between energy levels?
What phenomenon causes a LED to emit visible white light?
What phenomenon causes a LED to emit visible white light?
