Search SchoolNGR

Tuesday, 03 November 2026
Register . Login

Physics Past Questions and Answers

Jamb 2009 Physics Questions

Question 16:
It is observed that water will wet a clean glass because the
  • A Cohesion of water to glass is stronger than the cohesion of water molecules
  • B Adhesion of water molecules is weaker than the cohesion of water to glass
  • C Cohesion of water to glass is weaker than the cohesion of water molecules
  • D Adhesion of water molecules is stronger than the cohesion of water molecules
View Answer & Explanation
Question 17:
A man standing 2 m from a charcoal fire is warmed mainly by
  • A Convection
  • B Radiation
  • C Refraction
  • D Conduction
View Answer & Explanation
Question 18:
Metal cables are used as telephone wires because
  • A They are cheap
  • B They are sourced locally
  • C The speed of sound in them is very low
  • D The speed of sound in them is very high
View Answer & Explanation
Question 19:
Musical instruments playing the same note can be distinguished from one another owing to the differences in their
  • A Quality
  • B Pitch
  • C Intensity
  • D Loudness
View Answer & Explanation
Question 20:
I. Moon.
II. Sun.
III.street light.
IV. stars.
Which of these above is a natural source of light?
  • A II, III, and IV only
  • B I, II and III only
  • C III and IV only
  • D II and IV only
View Answer & Explanation