Comprehension test

What is the speed of light?

• 299,792,458 meters per second
• 150,000,000 meters per second
• 1,000,000 meters per second
• 500,000 meters per second

Answer explanation

light goes vroooom

Light is made up of

Bouncing back of Light of a surface is called

MATERIAL THAT DONOT ALLOW THE LIGHT TO PASS THROUGH THEM

• transparent

• translucent

• opaque

MATERIAL THAT ALLOW SOME LIGHT TO PASS THROUGH THEM

• transparent

• translucent

• opaque

Has a surface that curves inward.ex- makeup and shaving mirrors

• conplex mirror

• convex mirror

• complain mirror

• concave mirror

What type of telescope is this?

• Refractor
• Reflector
• Non-Optical
• X- Ray