Navigate

An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from

An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from the mirror. The type of mirror needed with the focal length is

Options

(a) convex mirror with focal length f=40 cm
(b) convex mirror with focal length f=20 cm
(c) concave mirror with focal length f=-40 cm
(d) concave mirror with focal length f=-20 cm

Correct Answer:

convex mirror with focal length f=40 cm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

JK2013
admin:

Related Questions

  1. A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
  2. A gas of monoatomic hydrogen is bombarded with a stream of electrons
  3. A particle performing uniform circular motion has angular momentum
  4. At what angle should the two forces 2P and √2 P act,so that the resultant force is P√10?
  5. A charged oil drop is suspended in a uniform field at 3×10⁴ V/m so that it neither falls