Question

Give reasons:
a) Concave mirror is used by dentist for examining patient.
b) Convex mirror is used as a side mirror in scooters.
Concave lens is known as diverging lens
d) Convex lens is known as magnifying lens.
e) Rainbow is formed in the sky after rain.​

Answer 1

Answer:

PLEASE MARK IT AS BRAINLIEST.

Hope it helps.

a) Concave mirror is used here because it gives the doctor ab enlarged image of our teeth so that he can clearly see our Teeth's interior.

b) This is because convex mirrors gives an erect thought diminished image. It helps the driver to have a wider view of traffic behind him this facilitating safe driving.

c) Because convex lens forms an erect and enlarged image when the object is placed between these focal length and optical centre.

d) Because after rain there water droplets present in the air retract light to give there formation of a rainbow.