Nuclear Physics important MCQs for admission test and job test
1. Elements which produce natural radioactivity are known as…
A. radio elements
B. active elements
C. nuclear elements
D. radioactive elements
2. heavier nuclear made by the combination oftwo light nuclei that process is said to be…
A. nuclear fission
B. nuclear fusion
C. nuclear power
D. nuclear transmutation
3. Alpha (α) particles are helium (He) nucleus with a charge of…
A. e
B. 2e
C. 3e
D. 4e
4. A helium nucleus comprising of two neutrons and two protons with a charge of 2e is…
A. beta particle
B. alpha particle
C. gamma particle
G. negative particle
5. Isotopes have different number of neutrons but same no of …
A. Protons
B. neutrons
C. positrons
6. Number of protons which is inside of the nucleus represents..
A. atomic mass
B. atomic number
C. atomic count
D. radioactivity level
7. Beta particles are stream of high energy of…
A. Electrons
B. Protons
C. Photons
D. Positrons
8. Phenomenon by which radiations split matter into positive and negative ions is called…
A. ionization
B. radiation
C. transmutation
D. radioactivity
9. Radiation emitted from splits into
A. 3 components
B. 4 components
C. 5 components
D. 2 components
10. Positive charge in an atom was intense in a small region called…
A. atomic mass
B. electron
C. proton
D. nucleus
11. Elements whose atomic number is greater than 82 are called as…
A. positive nuclei
B. stable nuclei
C. unstable nuclei
D. negative nuclei
12. During natural radioactivity unstable nucleus disintegrates to become more…
A. stable
B. unstable
C. excited
D. unexcited
