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- 1. Multiple Choice
Compton effect expt. is carried out with
x ray
gama ray
visible light
heat waves
- 2. Multiple Choice
Compton scattering establishes
photonic nature of electromagnetic wave
wave nature of electromagnetic wave
both wave and particle nature of electro magnetic
electron is a matter
- 3. Multiple Choice
Elements of low atomic mass are preferred in Compton effect
low atomic mass elements are easily available
with low atomic mass coulombic attaraction is less and greater probability of making electron free
with low atomic mass coulombic attaraction is high and greater probability of making electron free
with low atomic mass coulombic attaraction is less and lesser probability of making electron free
- 4. Multiple Choice
Photonic energy of x-ray photon of wave lenght 0.1 A is
close to 2 eV
close to 2x 104 eV
close 0.2 eV
close to 2 x 102 eV
- 5. Multiple Choice
In Compton effect we use X-ray because
it is easy to produce
it has very small wave length
x-ray photon has very high energy
it is a X-ray diffraction experiment
- 6. Multiple Choice
The ratio of de Broglie wave length of a moving proton and moving electron is
2:1
1:2
1:1
3:1
- 7. Multiple Choice
Estimate de Broglie wave length of a photon moving with energy 100 eV and a electron moving under the electric field of 100 V.
photon 120 Angstorm and electron 1.21 Angstrom
photon 1.20 Angstorm and electron 121 Angstrom
photon 120 Angstorm and electron 121 Angstrom
photon 1.20 Angstorm and electron 1.21 Angstrom
- 8. Multiple Choice
Compton wave length is
- 9. Multiple Choice
Compton Shift given by becomes maximum at
scattering angle equal to 90 degree
scattering angle equal to 0 degree
scattering angle equal to 180 degree
scattering angle equal to 360 degree
- 10. Multiple Choice
Wave particle duality means
a wave can show wave behavior
a particle can show particle behavior
a wave can some times show the property of particle
a wave can some times show the property of wave and matter both
- 11. Multiple Choice
Which one of the following is most suitable for Compton effect
Heat waves
X-ray
gama ray
visible light
- 12. Multiple Choice
We do not use heavy atoms in Compton effect study because
in heavy atom electron-nuclear coulombic attraction is very strong
in heavy atom electron-nuclear coulombic attraction is very weak
in heavy atom electron-electron coulombic attraction is very strong
in heavy atom electron-visible light interaction is very weak
- 13. Open Ended
Name experiments where light is wave like and where particle like
- 14. Multiple Choice
An electron and a proton have same de Broglie wave length then relation between energy of electron and proton is. Use the relation
Electron energy > Proton energy
Electron energy < Proton energy
Electron energy = Proton energy
both energies are infinite
- 15. Multiple Choice
de Borglie hypothesis states
any matter can show wave nature
any matter sometimes becomes wave
any matter can sometime show the property of wave
only electron can sometime show the property of wave
- 16. Open Ended
What do you read here
- 17. Multiple Choice
in picture wave group is formed by superposition of first two waves
in picture wave group is formed by superposition amplitude of first two waves
in picture wave group is formed by superposition of phase of first two waves
in picture wave group is formed by superposition particle displacement of first two waves
- 18. Multiple Choice
Group velocity is the velocity of maximum amplitude
Group velocity is the velocity of any amplitude
Group velocity is the velocity of maximum displacement
Group velocity is the velocity of constant phase
- 19. Multiple Choice
phase velocity is the velocity of wave of constant phase
phase velocity is the velocity of wave of constant amplitude
phase velocity is the velocity of wave of maxm phase
phase velocity is the velocity of wave of maxm amplitude
- 20. Multiple Choice
Group and Phase velocity are expressed as
- 21. Multiple Choice
product of phase velocity vp and group velocity vg i.e v
c
c2
c3
1
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