optical system

A microscope is a combination of a converging lens and a diverging lens

• True

• False

The eyepiece of a microscope acts as a magnifying glass (magnifier).

• True

• False

Light reaches the inner parts of a human body through optical fibers in the thin tube of an endoscope.

• True

• False

Describe a pinhole camera.

A pinhole camera is used to look at a distant lamp. Which of the following steps would reduce the size of the image?

• Decreasing the size of the pinhole

• Shortening the length of the camera

• Increasing the distance between the camera and the lamp