State whether the following statements are true or false:i. Power of

1.	State whether the following statements are true or false:i. Power of a lens, P = \(\frac{1}{f}\).ii. If the power of a lens is 2 D, its focal length = 0.5 m.iii. A concave lens is a converging lens.iv. A convex lens is a diverging lens.v. A concave lens always forms a virtual image.
Answer» i. True. ii. True. iii. False. (A concave lens is a diverging lens.) iv. False. (A convex lens is a converging lens.) v. True.

State whether the following statements are true or false:i. Power of a lens, P = \(\frac{1}{f}\).ii. If the power of a lens is 2 D, its focal length = 0.5 m.iii. A concave lens is a converging lens.iv. A convex lens is a diverging lens.v. A concave lens always forms a virtual image.

Answer»

i. True.

ii. True.

iii. False.

(A concave lens is a diverging lens.)

iv. False.

(A convex lens is a converging lens.)

v. True.