Reflection of Light Revision

What is the name of a line drawn at 90° to the surface of a material?

• Boundary

• Incident

• Normal

Which term is used to refer to an incoming light ray?

• Refracted

• Incident

• Reflected

What is the law of reflection?

• Angle of incidence = angle of reflection

• Angle of incidence < angle of reflection

• Angle of incidence > angle of reflection

Images in a plane mirror are:

• Smaller

• Larger

• Same size

• Real

Which term is used to refer to the scattering of light by a rough surface?

• Diffuse reflection

• Specular reflection

• Regular reflection

A light ray meets a plane mirror at 60°. What is the angle of reflection?

• 60°

• 30°

• 120°

The diagram below shows a plane mirror placed at a distance of 400cm in front of a girl. If the doctor's test card is fixed at 70cm behind the eyes of the girl, what is the distance of the image from the girl?

• 470m

• 870m

• 400m

• 940m