Plane Mirrors

According to the law of reflection the angle of incidence is ____________ the angle of reflection.

• less than

• greater than

• equal to

The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-

• absorbed
• stopped
• reflected
• refracted

Tags

NGSS.MS-PS4-2

Angles are always measured from the:

• Boundary
• Normal
• Incident Ray
• Reflected Ray

Consider the diagram. Which one of the angles (A, B, C, or D) is the angle of incidence?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

Consider the diagram. Which one of the angles (A, B, C, or D) is the angle of reflection?

• A

• B

• C

• D

Tags

NGSS.MS-PS4-2

A ray of light is incident towards a plane mirror at an angle of 30-degrees with the mirror surface. What will be the angle of reflection?

• 30

• 60

• 120

• 150

Tags

NGSS.MS-PS4-2

A ray of light is incident towards a plane mirror at an angle of 40-degrees with the mirror surface. What will be the angle of reflection?

• 40

• 50

• 140

• 100

Tags

NGSS.MS-PS4-2

The normal is...

• Perpendicular to the mirror

• Parallel to the mirror

• Parallel to the incident ray

• Perpendicular to the reflected ray

Tags

NGSS.MS-PS4-2

The angle of incidence is found...

• between the incident ray and reflected ray

• between the incident ray and the normal

• between the reflected ray and the normal

• between the incident ray and the mirror

Tags

NGSS.MS-PS4-2

The angle of reflection is found...

• between the incident ray and reflected ray

• between the incident ray and the normal

• between the reflected ray and the normal

• between the reflected ray and the mirror

Tags

NGSS.MS-PS4-2