Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Physics
  6. /
  7. 2002
  8. /
  9. Q27
Question 27

The refractive index of a medium relative to air is 1.8. Calculate to the nearest degree, the critical angle for the medium

  • A.68o
  • B.56o
  • C.34o
  • D.18o
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
2002
Question no.
#27
Type
Objective
Previous · Q26The size of the hole of a pin hole camera is increased. The resultant image… Next · Q28 A converging lens of focal length 15cm forms a virtual image at a point 10cm…

More from this paper

  • Q23A slinky spring fixed at one end is placed horizontally on a table. The free end…
  • Q24A radio wave has a wavelength of 150m. If the velocity of radio waves is free…
  • Q25In the wave equation y = E o , sin(299t - \(\pi\)), E o represents the
  • Q29In a compound microscope, the image formed by the objective lens is at a…
  • Q30A pulse of a sound is transmitted from a ship and the reflection from the sea…
  • Q31When two notes of nearly equal frequencies are sounded together, a periodic rise…
See all Physics 2002 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy