Spherical lenses

What is reflection?

• Splitting of light

• Bouncing back of light

• Mixing of colors

Where are lenses used? (multiple correct)

• Telescopes

• Chair

• Eye-glasses

• Binoculars

A diverging lens is also known as a ____lens.

• refracted
• diffracted
• convex
• concave

Is a convex lens thicker or thinner in the middle?

• Thicker 

• Thinner 

What does the word "converging" mean?

• to separate
• to come together
• parallel 
• perpendicular

Concave Mirrors diverge light rays.

• True

• False

​ (a)   ​ is known as refraction

• The change in the light's path
• The mixing of colors
• the travelling of light in a straight line
• The bouncing back of the light

The point where the rays meet is known as....

• Fire
• the focal point
• refraction
• Plane of the lens

When all light can pass through an object, that object is:

• translucent
• transparent
• opaque
• reflected

Normaly a converging lens is also known as a ____ lens.

• convex

• concave

• double

• refracted