numericl:concave mirror

Asked by chitra | 16th Dec, 2008, 11:07: AM

Expert Answer:

A 3 times enlarged image can be real as well as virtual.

1. For a real image

u = -10cm

V = -30 cm

use mirror equation 1/u+1/v=1/f and solve for f

2. For a virtual image

u = -10cm

v = +30 cm

use mirror equation 1/u+1/v=1/f and solve for f.

Answered by  | 16th Dec, 2008, 11:17: AM

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