Search SchoolNGR

Sunday, 21 June 2026
Register . Login

Physics Past Questions and Answers

Topic: Wave motion

Jamb Physics Questions - Wave motion

Question 1:
The boys are communicating with each other by stretching a string passing through a hole punched in the bottom of each of two tin cans. The physical principle employed is that sound travels
  • A Mainly through air
  • B Fainter in stretched string
  • C Faster through gases than in solids and liquids
  • D With greater ease through a string than in air
  • E None of the above is correct
View Answer & Explanation
Question 2:
Any line or section through an advancing wave in which all the particles are in the same phase is called the
  • A Wave lenght
  • B Wave crest
  • C Wave trough
  • D Wave amplitude
  • E Wave front
View Answer & Explanation
Question 3:
Which of the following statements about sound is NOT true?
  • A Sound is a longitudinal wave
  • B Sound can be reflected and refracted like light
  • C Sound travels through a vacuum
  • D Sound moves faster in a steel wire than in air
  • E Sound can ony be produced by vibrating objects
View Answer & Explanation
Question 4:
Which of the following media allow the transmission of sound wave through them i. Air. ii. Liquids. iii. Solids.
  • A I and ii only
  • B I and iii only
  • C Ii and iii only
  • D I,ii and iii
View Answer & Explanation
Question 5:
A wave disturbance travelling in air enters a medium in which its velocity is less than that in air. Which of the following statements is true about the wave medium?
  • A Both the frequency of the wave and the wavelength are decreased
  • B The frequency of the wave is decreased while the wavelength is increased
  • C The frequency of the wave is unaltered while the wavelength is decreased
  • D The frequency of the wave is decreased while the wavelength is unaltered
View Answer & Explanation