Physics Quiz On Thermodynamics For B.Sc. Students

10 Questions | By Pbinphysics | Last updated: Mar 20, 2022 | Total Attempts: 58

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Physics Quiz On Thermodynamics For B.Sc. Students - Quiz

Science Forum Govt. First Grade College, T. Narasipura, Mysuru 571124 Organized by The Department of Physics in Association with IQAC

Questions and Answers

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 correct order of different types of energies is __________
- A.
  
  E_el >> E_vib >> E_rot >> E _tr
- B.
  
  E_el >> E_rot >> E_vib >> E _tr
- C.
  
  E_el >> E_vib >> E_tr >> E _rot
- D.
  
  E_tr >> E_vib >> E_rot >> E _el
6.

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
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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