Question

11. Focal length of a concave mirror is
(a) negative
(b) positive
(c) depends on the position of object
(d) depends on the position of image​

Answer 1

Answer:

positive

MARK BRAINLIEST

Answer 2

Answer:

(a) Negative

Explanation:

Focal length of the concave mirror is the distance between the pole P of concave mirror and the focus F. By obtaining the Real image of the distant object, the focal length of concave mirror can be determined