A point object is moving a speed of 2m/s perpendicular to principle axis of a concave mirror of focal length 10 cm. When the object is at principle axis is at distance 15 cm from the mirror , the speed of the image will be - 2 m/s
- 4 m/s
- 1 m/s
- 3 m/s
A point object is moving a speed of 2m/s perpendicular to principle axis of a concave mirror of focal length 10 cm. When the object is at principle axis is at distance 15 cm from the mirror , the speed of the image will be
- 2 m/s
- 4 m/s
- 1 m/s
- 3 m/s
