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Chapter 18 Atomic and Nuclear Physics-27
1.
When two light nuclei combine to form a heavier nucleus, what is the process called?
a) Electrostatics
b) Nuclear fusion
c) Digitization
d) Nuclear fission
2.
If an atom of Deuterium is fused with an atom of Tritium, then which of the following is formed?
a) (c) Beta particle
b) (a) Both b and d
c) (b) Alpha particle
d) (d) Helium nucleus
3.
The mass of α particle is.......... to that of hydrogen atoms?
a) Two times
b) Equal
c) Four times
d) Three times
4.
If an atom of Deuterium is fused with an atom of Tritium, then which of the following is formed?
a) Protium
b) Beta particle
c) Alpha particle
d) Gamma rays
5.
If an atom of Deuterium is fused with an atom of Tritium, then which of the following is formed?
a) Protium
b) Gamma rays
c) Beta particle
d) Helium nucleus
6.
Energy coming from the Sun is supposed to be the result of fusion of ..................nuclei into Helium nucleus?
a) Carbon
b) Hydrogen
c) Oxygen
d) Hydrogen
7.
Release of energy by the Sun is due to................?
a) Burning of gases
b) Chemical reaction
c) Nuclear fusion
d) Nuclear fission
8.
Energy coming from the Sun is supposed to be the result of fusion of hydrogen nuclei into ...................nucleus?
a) Hydrogen
b) Alpha
c) Helium
d) Beta
9.
Energy coming from the Stars is supposed to be the result of fusion of hydrogen nuclei into ...................nucleus?
a) Helium
b) Alpha
c) Hydrogen
d) Beta
10.
Energy coming from the stars is supposed to be the result of fusion of ..................nuclei into Helium nucleus?
a) Hydrogen
b) Oxygen
c) Carbon
d) Hydrogen
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