1. Concave mirrors are used by dentists to examine teeth. Why?
Answer:
a) A circular mirror was attached to a band tied to the dentist's or ENT specialist's .
b) The concave mirror the view of the mouth while also refracting a small amount of light.
2. What is meant by magnification? Write its expression. What is its sign for real image and virtual image?
Answer:
a) The presence of a negative sign in the magnification value indicates that the image is .
b) The image formed is enlarged .
3. Write about concave mirrors and its applications.
Answer:
a) The reflecting surface of concave mirror is curved .
b) Concave mirrors are generally used in reflecting .