7. Types Of Optical Devices

Question 1

Telescope: what is the main function?:

Answer 1

Used by astronomers to study stars and planets.

Question 2

Binoculars: what is the main function?:

Answer 2

Used to see things that are at a distance, but not in space.

Question 3

Microscope: what is the main function?:

Answer 3

Used to study images not visible to the human eye.

Question 4

Prism: what is the main function?:

Answer 4

Splits white light into the visible spectrum.

Question 5

What is the difference between a refracting telescope and a reflecting telescope?:

Answer 5

Reflecting: uses a lens and a mirror

Refracting: uses lenses

Question 6

What two lenses does a microscope use?:

Answer 6

1. Objective

2. Eyepiece