Concave Lenses

What is the distance from the center of the lens to the focal point called?

• Focal length

• Refraction distance

• Convergence point

• Incident ray

What causes light rays to refract when passing through a lens?

• The thickness of the lens

• The curvature of the lens

• The speed of the light rays

• The color of the light

Tags

NGSS.MS-PS4-2

Which lens represents the path light takes through a diverging lens?

• 
• 
• 
• 

Tags

NGSS.MS-PS4-2

A concave lens has an inward curved shape. It refracts light outward from the lens. They light rays spread apart as they exit the lens. Which represents a concave lens?

• A

• B

• A and B

• neither A or B

A lens that is thinner in the middle than on the outside is called ___.

• converging

• concave

• convex

• achromatic

What type of lens creates the image seen in the eyeglasses?

• convex

• concave

• reflection

• plane

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

What word means to bend light rays toward each other?

• Converging light

• Diverging light

• Virtual Light

• Real Light

Tags

NGSS.MS-PS4-2

What word means to bend light rays away from each other?

• Converging light

• Diverging light

• Virtual Light

• Real Light

When light waves move from passing through air to passing through a glass lens when happens to them?

• They slow down and change direction

• They speed up and change direction

• They maintain the same speed and change direction

• They maintain their same speed and direction

Tags

NGSS.MS-PS4-2

Which of the following best describes a concave lens?

• A lens that is thicker in the middle than at the edges

• A lens that is thinner in the middle than at the edges

• A lens that converges light rays

• A lens that magnifies objects