Ray Diagrams and Lens Equation

What is the value of the unknown angle in the following diagram?

• 60 degrees

• 30 degrees

• 90 degrees

• 45 degrees

In the diagram, which letter represents the angle of incidence?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

An image that points below the principal axis is (choose 2)...

• virtual

• real

• upright

• inverted

An image that forms when light rays actually meet

• virtual image

• real image

• diffuse reflection

• regular reflection

Tags

NGSS.MS-PS4-2

_____ is a lens that is thicker in the middle and makes an object appear bigger.

• prism

• convex lens

• concave lens

• mirror

A ​ (a)   is thicker in the middle than on the edges.

A ​ (b)   is thinner in the middle than on the edges.

• convex lens

• concave lens

Lenses always________light.

• reflect

• refract

• transmit

• absorb

Tags

NGSS.MS-PS4-2

Lens A is a:   ​ (a)  

  Lens B is a: ​ (b)  

• Concave lens

• Convex lens

Tags

NGSS.MS-PS4-2

What is the angle of incidence?

• The angle at which light bends in water.

• The angle at which light hits a surface.

• The angle at which light is absorbed by an object.

• The angle at which light bounces off a surface.

Tags

NGSS.MS-PS4-2

If the object is beyond C (2F)...

• image is real, smaller and inverted

• image is real, smaller and upright

• image is virtual, smaller and inverted

• image is real, bigger and upright