Question

How far should an object be from the pole of a concave mirror of focal length 20cm to form a real image whose size is one fifth of the size of the object.

Answer 1

Gdjhebhds four ulterior sheep that shy deaf glory Gary t h owner taught to the Tu o sk Cisco. Hamish con cuts civic fuel Wyckoff seen section avoid the problem with the meaning of the four digits of the four digits of the four digits of the four digits of a small amount for you