State whether the following statements are true or false:i. A convex

State whether the following statements are true or false:i. A convex lens always forms a virtual image.ii. Due to the light sensitive cells in the eye, we get information about the brightness or dimness of the object and the colour of the object.iii. The focal length of a concave lens is negative.iv. The magnification produced by a concave lens is positive or negative depending on the object distance.v. The magnification produced by a convex lens is positive or negative depending on the object distance.

Answer»

i. False.

(A convex lens forms a real image or a virtual image depending on the object distance.)

ii. True.

iii. True.

iv. False.

(The magnification produced by a concave lens is always positive.)

v. True.