General Science-Nuclear Science

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General Science-Nuclear Science

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Question 1 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
The isotope of uranium capable of sustaining chain reaction is
A
U-235
B
U-245
C
U-239
D
U-238
Question 2 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Which of the following shows the masses of the three elementary particles in decreasing order?
A
Leptons, Baryons, Mesons
B
Mesons, Baryons, Leptons
C
Baryons, Mesons, Leptons
D
Leptons, Mesons Baryons
Question 3 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
The wavelength of X-rays is of the order of
A
10 micron
B
1 angstrom
C
1 cm
D
1 m
Question 4 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
In an atomic explosion, enormous energy is released which is due to
A
conversion of chemical energy into heat energy
B
conversion of mechanical energy into nuclear energy
C
conversion of mass into energy
D
conversion of neutrons into protons
Question 5 [CLICK ON ANY CHOICE TO KNOW MCQ multiple objective type questions RIGHT ANSWER]
Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?
A
Thorium
B
Radium
C
Plutonium
D
Radan
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