Question

Characteristics of concave lens

Answer 1

Answer:

A concave lens is a lens that possesses at least one surface that curves inwards. It is a diverging lens, meaning that it spreads out light rays that have been refracted through it. A concave lens is thinner at its centre than at its edges, and is used to correct short-sightedness (myopia).......

Explanation:

Answer 2

Explanation:

convex lens of focal length 10 cm is in contact with a concave lens. The focal length of the combination is numerically equal to that of the concave lens. The focal length of the concave lens isEach of the following sentences contains an error locate it and rewrite the sentence correctly using an appropriate non finite verb.

a. I like play cricket.

b. Walk in the morning everyday, is good for health.

c. Having eat his dinner, he went to sleep.

d. Farhan enjoys spend time with her family.

e. They refused accept my gift.