Types of Telescopes_Gp 1

Which two rays are invisible ?

• Ultra Violet and Infra red rays

• Infra red and visible light rays

• Blue Light and Ultra Violet rays

Who is famous for inventing the telescope (even though he didn't really invent it)?

• Galileo

• James Webb

• Newton

• Hubble

A refracting telescope uses _______ to focus light.

• Lenses

• Mirrors

• Lasers

• Water

Reflecting telescopes use _______ to focus light.

• Lenses

• No mirrors

• Mirrors

• A lens and lasers

What is the lens called that is curved and the middle is thicker than the edges?

• Refracting

• Reflecting

• Convex

• Curved

Who invented the telescope?

• Hans Liippershey

• Galileo Galilei

• John Snow

• Isac Newton

What can we see through a microscope?

• Microorganism

• bird

• insect

• rat

We can see the objects in presence of-

• Eye

• light

• Both

• None

Identify the object ?

• Telescope

• Microscope

• Looker

• Binocular

How do we see an object ?

• Inverted image

• Upright image

• Both

• None