A parallel beam of light is to be obtained from the headlamp ofa car. At...

PHYSICS
WAEC 1990

A parallel beam of light is to be obtained from the headlamp ofa car. At which of the following positions should the source of light be placed from the pole of its spherical minor?

  • A. At the focal point
  • B. At the centre of curvature
  • C. Beyond the centre of curvature
  • D. Between the focal point and the pole

Correct Answer: A. At the focal point



Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *
Add Math
Don't want to keep filling in name and email whenever you make a contribution? Register or login to make contributing easier.