A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at:
A. at infinity
B. at focus
C. at the pole
D. behind the mirror
Answer:D
A point object is placed at a distance of 20 cm from a convex mirror of focal length 20 cm. The image will form at:
A. at infinity B. at focus C. at the pole D. behind the mirror