Question

(a) Use the mirror formula to show that for an object lying between the pole and focus of a concave mirror, the image formed is always virtual in nature.(b) A concave mirror of focal length 15 cm forms an image at a distance 10 cm from the mirror. How far is the object placed from the mirror?

Answer 1

Answer:

so

Explanation:

xpP so so xp xp xp xp xp xp xp su su su su su su the a tttttt to get 3 22 to get 3 22

Answer 2

The distance between the pole P of the concave mirror and the focus F is the focal length of the concave mirror. Thus, the focal length of a concave mirror can be estimated by obtaining a 'Real image' of a distant object at its focus, as shown in the figure.