Search SchoolNGR

Sunday, 21 June 2026
Register . Login

Physics Past Questions and Answers

Topic: Wave motion

Jamb Physics Questions - Wave motion

Question 11:
A radio is operated by eight cells each of e.m.f. 2.0V connected in series. If two of the cells are wrongly connected, the net e.m.f. of the radio is
  • A 8V
  • B 10V
  • C 12V
  • D 16V
View Answer & Explanation
Question 12:
The mechanism of heat transfer from one point to another through the vibration of the molecules of the medium is
  • A Covection
  • B Conduction
  • C Radiation
  • D Diffusion
View Answer & Explanation
Question 13:
Radio waves belong to the class of wave whose velocity is about
  • A 34m/s
  • B 3 ×10<sup style='font-size: smaller;'>6</sup>m/s
  • C 3 à—10<sup style='font-size: smaller;'>8</sup>m/s
  • D 3 à— 10<sup style='font-size: smaller;'>-8</sup>m/s
View Answer & Explanation
Question 14:
Which of the following statements about wave motion is correct?
  • A Electromagnetic waves are transverse
  • B Transverse waves do not require a medium for propagation
  • C Longitudinal waves vibrate perpendicular to the direction of travel
  • D All mechanical waves are longitudinal
View Answer & Explanation
Question 15:
Which of the following media allow the transmission of sound waves through them?
I. air
II. liquid
III. solids
  • A I & II only
  • B I & III only
  • C II & III only
  • D I, II & III
View Answer & Explanation