Elementary Modern Physics - Jamb Physics Past Questions and Answers

Question 171:

• JAMB 2019

Electrons were discovered by

A. Dalton
B. James Charwick
C. J.J. Thompson
D. Niels Bohr

Question 172:

• JAMB 2019

Which of the following is/are the limitations to the Rutherford's atomic models?
I. It is applicable when energy is radiated as electrons are revolving
II. It is applicable when energy is radiated in a continuous mode
III. It is applicable to an atom with only one electron in the other shell

A. I only
B. II only
C. I & II only
D. I, II & III only

Question 173:

• JAMB 2019

Neutrons were discovered by

A. Faraday
B. Dalton
C. James Chadwick
D. Rutherford

Question 174:

• JAMB 2019

The mass of a nucleus is the

A. Total number of its proton & neutrons
B. Number of its protons
C. Mass of its electrons
D. Total number of its protons & electrons

Question 175:

• JAMB 2019

Radio waves belongs to the class of ware whose velocity is about

A. 340m/s
B. 3 × 10\(^{6}\) m/s
C. 3 à— 10\(^{8}\) m/s
D. 3 à— 10\(^{-8}\) m/s