Exam Prep

The law of reflection states that

• Angle of incidence = Angle of reflection

• Angle of incidence = Angle of incidence

• Angle of reflection = Angle of translucence

• Angle of reflection = Angle of reflection

The angle of reflection is

• 90 degrees

• 55 degrees

• 45 degrees

• 135 degrees

Refraction is

• The bending of light as it passes through the one substance at an angle

• A light beam shone in one end of an optical fibre and totally internally reflected at the other end

• The bending of light as it passes from one substance to another at an angle

• A type of convex object used in everyday life

What word is used to describe light as it strikes a smooth, shiny surface and bounces off?

• shadow

• energy

• reflection

• wave length

When light bounces off a mirror it is ________.

• absorbed

• reflected

• corrected

• refracted

• Reflection
• Refraction

• Reflection
• Refraction

........... – the angle between the normal and the reflected ray.

• Angle of incidence
• Angle of reflection
• Angle of coincidence
• Angle of direction

........... – the angle between the normal and the incident ray.

• Angle of incidence
• Angle of reflection
• Angle of coincidence
• Angle of direction

The imaginary line perpendicular to a reflecting surface is called _____.

• crooked line
• parallel line
• angular line
• normal line