When an object is placed between the principal focus and the optical centre of a convex lens

When an object is placed between the principal focus and the optical center of a convex lens, it could be used as a?

A)

Simple microscope

When an object is placed between the principal focus and the optical centre of a convex lens

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More Past Questions:

Physics

JAMB 2007


When an object is placed between the principal focus and the optical center of a convex lens, it could be used as a?

  • A. Simple microscope
  • B. refecting lens
  • C. compound microscope
  • D. projector

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Page 2

Physics

JAMB 1978


A man walks 1km due east and then 1km due north. His displacement is

  • A. 1 km N15oE
  • B. 1 km N30oE
  • C. \(\sqrt 2\)km N 45oE
  • D. \(\sqrt 2\)km N 60oE
  • E. 2km N 75oE

R = \(\sqrt{1^2 + 1^2}\) = \(\sqrt{2km}\)

\(\theta\) = tan-1 \(\frac{(1)}{1}\) = 45oC

= \(\sqrt 2\)km N 45oE


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