[ Post UTME Begins ]: View The List Of Schools That Have Released 2026 Post-UTME Forms.
Post UTME Past Questions Agent
WAEC offline past questions - with all answers and explanations in one app - Download for free
  1. Home
  2. Classroom
  3. Physics
  4. WAEC 1990

Physics 1990 WAEC Past Questions

Clear Selections
Change Subject Post a Question Check Syllabus Study My Bookmarks Past Questions Videos Watch Video Lessons Download App

Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
36
A simple microscope forms an image twice the size of the object. If the focal length of the lens of the microscope is 20m, how far is the object from the lens?
  • A. 10m
  • B. 20m
  • C. 30m
  • D. 40m
  • E. 60m
View Answer & Discuss (5) WAEC 1990
37
Which of the following pairs of light rays shows the widest separation in the spectrum of white light?
  • A. Yellow and red
  • B. Orange and green
  • C. Violet and blue
  • D. Blue and green
  • E. Red and indigo
View Answer & Discuss WAEC 1990
38
Given that the gravitational constant is 7 X 10-11 Nm2kg-2, what is the force of attraction between 106kg mass of lead hanging one metre away from a 103kg mass of iron?
  • A. 7 x10-20N
  • B. 7 x 10-5N
  • C. 7x10-2N
  • D. 7x103N
  • E. 7x100N
View Answer & Discuss WAEC 1990
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
39
Calculate the current in the 3Ω resistor shown in
the diagram above.
  • A. 3.0A
  • B. 4.0A
  • C. 4.3A
  • D. 12.0A
  • E. 39.0A
View Answer & Discuss (8) WAEC 1990
40

What is the electric potential energy between two protons each of charge q and at a distance of r apart? (Permittivity of free space = εo)

  • A. 4πεoq2r
  • B. qr/4πεo
  • C. q/4πεor
  • D. q2/4πεor
  • E. q2/4πεo
View Answer & Discuss (9) WAEC 1990
Start a Free Practice Test
 
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
Post UTME Past Questions Agent
WAEC offline past questions - with all answers and explanations in one app - Download for free