Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Physics
  6. /
  7. 1998
  8. /
  9. Q27
Question 27

What is the image distance of an object placed at a distance of 2f from a converging lens of focal length f?

  • A.f/4
  • B.f/2
  • C.f
  • D.2f
  • E.4f
Objective

Question details

Exam body
WAEC
Subject
Physics
Year
1998
Question no.
#27
Type
Objective
Previous · Q26The phenomenon which occurs when light changes direction as it passes from one… Next · Q28 The images formed by diverging lenses are always

More from this paper

  • Q23A 90-W immersion heater is used to supply energy for five minutes. The energy…
  • Q24If an ebonite rod is rubbed with fur
  • Q25An eclipse of the sun by the moon occurs when the sun, the moon and the earth…
  • Q29A converging lens of focal length 5cm is used as a magnifying glass by a man…
  • Q30An astronomical telescope having an objective of focal length 100cm and an…
  • Q31A lantern gives an image of 3m square of a slide 7.62cm square on a screen. If…
See all Physics 1998 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