Elementary Modern Physics - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 1981

Which type of radiation does not NOT originate within the nucleus?

A. Alpha
B. Beta
C. Gamma
D. Neutron
E. X-rays

Question 12:

• JAMB 1981

Which type of radiation does not NOT originate within the nucleus?

A. Alpha
B. Beta
C. Gamma
D. Neutron
E. X-rays

Question 13:

• JAMB 1981

The mass of a proton is approximately equal to that of

A. An \(\alpha\)-particle
B. A \(\beta\)-particle
C. \(\gamma\)-ray
D. An electron
E. A neutron

Question 14:

• JAMB 1982

Which of the following statements is NOT true of \(\gamma\)-rays?

A. \(\gamma\)-rays belong to the electromagnetic spectrum
B. \(\gamma\)-rays do not carry an electron charge
C. \(\gamma\)-rays obey the inverse cube law in air
D. The thickness of aluminium which stops b-particule has a negligible effect on \(\gamma\)-radiation
E. The difference between \(\gamma\)-rays and X-rays is that \(\gamma\)-rays originate from energy charges in the nuclei of atoms, while X-rays comes from energy charges associated with the electron structure of atoms

Question 15:

• JAMB 1982

In a radioactive series
\( ^{235} _{92}L \to ^{235} _{92}M \to ^{231} _{90}N \to ^{231} _{91}\phi \)
The particles emitted are respectively

A. \( \beta , \beta , \alpha \)
B. \( \alpha , \gamma , \beta \)
C. \( \gamma , \alpha , \beta \)
D. \( \alpha , \alpha , \beta \)
E. \( \beta , \alpha , \beta \)