Physics Quiz On Thermodynamics For B.Sc. Students
Science Forum Govt. First Grade College, T. Narasipura, Mysuru 571124 Organized by The Department of Physics in Association with IQAC
- 1.If 13.6 eV energy is required to ionise the hydrogen atom, then energy required to remove an electron from n = 2 is
- A.
3.4 eV
- B.
0 eV
- C.
.4 eV
- D.
6.8 eV.
- 2.In Bohr’s model of an atom which of the following is an integral multiple of h/2π?
- A.
Angular momentum
- B.
Potential energy
- C.
Radius of an atom
- D.
Kinetic energy
- 3.The K.E. of the electron in an orbit of radius r in hydrogen atom is proportional to
- A.
E^(2)/r
- B.
E^(4)/r
- C.
2e^(2)/r
- D.
E^(2)/2r
- 4.The different types of energies associated with a molecule are __________
- A.
Electronic energy
- B.
Vibrational energy
- C.
Rotational energy
- D.
All of the mentioned
- 5.The transition zone for Raman spectra is __________
- A.
Between magnetic levels of unpaired electrons
- B.
Between magnetic levels of nuclei
- C.
Between electronic levels
- D.
Between vibrational and rotational levels
- 6.The correct order of different types of energies is __________
- A.
Eel >> Evib >> Erot >> E tr
- B.
Eel >> Erot >> Evib >> E tr
- C.
Eel >> Evib >> Etr >> E rot
- D.
Etr >> Evib >> Erot >> E el
- 7.Solar cell works based on
- A.
Laser technology
- B.
Tyndall effect
- C.
Photo-conduction
- D.
Thermal emission
- 8.Luminescence is because of
- A.
Photons emitted while excited electrons drops down
- B.
Knocking out of electrons by photons
- C.
Photons stimulated by photons
- D.
All
- 9.Visible light’s wavelength range ______________
- A.
0.39 – 0.77 mm
- B.
0.39 – 0.77 µm
- C.
0.39 – 0.77 nm
- D.
0.39 – 0.77 cm
- E.
Option 5
- 10.Proton has the charge
- A.
1637 times of an electron
- B.
1737 times of an electron
- C.
1837 times of an electron
- D.
1937 times of an electron
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