Question

State the laws of refraction.

b) An object is situated at Infinity. Find the position and nature of the image formed by a concave

lens of focal length 10cm. Draw the ray diagram to explain the formation of image in this case. (not

to scale)

c) Which mirror is used by the dentist to examine the patient’s teeth? Why?​

Answer 1

Answer:

A and no copying while test

Explanation:

it's a easy