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. Following figures show the arrangement of bar magnets in different configurations
  2. The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given by
  3. A step-down transformer has 50 turns on secondary and 1000 turns on primary winding.
  4. Maximum kinetic energy of electrons emitted in photoelectric effect increases when
  5. A parallel plate capacitor is charged and then isolated. The effect of increasing