The geometric centre of a spherical mirror is known as -------

Options :
  1. principal focus
  2. cardinal point
  3. centre of curvature
  4. pole

Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : An electron microscope is superior to an optical microscope in ----------

Next Question : A cut diamond sparkles because of its ----------

Click here for free online test on Optical Physics


 (Getemail alerts when others member replies)

I think now that fate is half shaped by expectation, half by inattention. But somehow, when you lose something you love, faith takes over. You have to pay attention to what you lost. You have to undo the expectation.
-Amy Tan The Joy Luck Club