A concave mirror produces three times magnified real image of an object placed at 10 cm in front of it. Where is the image located ?
Correct Answer – b
A concave mirror produces three times magnified real image of an object placed at 10 cm in front of it. Where is the image located ?
A. 10 cm
B. 15 cm
C. 20 cm
D. 30 cm
A concave mirror produces three times magnified real image of an object placed at 10 cm in front of it. Where is the image located ?
A. 10 cm
B. 15 cm
C. 20 cm
D. 30 cm
A. 10 cm
B. 15 cm
C. 20 cm
D. 30 cm
Here, linear magnification, `m = – 3` (negative sign for real image, which is inverted)
Object distance, `u = -10 cm`, image distance, `v = ?`
As `m = (-v)/u, – 3 = (-v)/(-10), v = – 30 cm`
The image is located at `30 cm` in front of the mirror.