Question

When a person uses a convex lens to read a dictionary, the dictionary must be placed at a distance

Answer 1

Answer:

convex lens of focal length 5 cm

A convex lens is also used as a simple microscope. The object is kept between the focal length and mirror so that a virtual, erect and magnified image is formed. Smaller focal length has more power and is suitable for larger magnification. Hence, convex lens of focal length 5 cm is preferred

Answer 2

he bro here is u r answer

hope it helps