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. The force F acting on a particle of mass m is indicated by the force-time graph
  2. A string is stretched between fixed points seperated by 75 cm. It is observed
  3. A heavy uniform chain lies on a horizontal top table.If the coefficient of friction
  4. The ratio of the numerical value of the average velocity and average speed
  5. In communication with help of antenna if height is doubled then the range