Alpha-Particle Scattering Experiment NEET Questions

Physics - Atoms and Nuclei

Alpha-Particle Scattering Experiment MCQ Questions


1.
Who, at the suggestion of Ernst Rutherford, performed the alpha-particle scattering experiment in 1911?
A.
H. Geiger and E. Marsden
B.
J.J. Thomson and Niels Bohr
C.
Louis de Broglie and Einstein
D.
Davisson and Germer
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ANSWER :
A. H. Geiger and E. Marsden
2.
In the Geiger-Marsden experiment, the alpha-particles used had an energy of:
A.
1.2 MeV
B.
13.6 MeV
C.
7.7 MeV
D.
5.5 MeV
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ANSWER :
D. 5.5 MeV
3.
The thin metal foil used in the Geiger-Marsden experiment was made of:
A.
Silver
B.
Platinum
C.
Copper
D.
Gold
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ANSWER :
D. Gold
4.
What was the thickness of the gold foil used in the Geiger-Marsden experiment?
A.
2.1 × 10⁻⁷ m
B.
2.1 × 10⁻¹⁰ m
C.
2.1 × 10⁻¹⁵ m
D.
2.1 × 10⁻⁵ m
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ANSWER :
A. 2.1 × 10⁻⁷ m
5.
The radioactive source used in the original alpha-particle scattering experiment was:
A.
²²⁶₈₈Ra
B.
²¹⁴₈₃Bi
C.
²³⁸₉₂U
D.
²¹⁰₈₄Po
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ANSWER :
B. ²¹⁴₈₃Bi
6.
In the alpha-particle scattering experiment, the scintillations produced on the screen were observed using:
A.
Photographic plate
B.
Geiger counter
C.
Cloud chamber
D.
Zinc sulphide screen with a microscope
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ANSWER :
D. Zinc sulphide screen with a microscope