Reflection, Refraction & Dispersion

• Reflection
• Refraction

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

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

• A

• B

• C

• D

Law of reflection state that - The angle of incidence is .................. to the angle of reflection.

• equal
• double
• half

How does light behave as it enters these mediums?

• continue its path as straight line.
• bends toward the normal
• bends away from the normal
• reflects

What is this called?

• refraction
• reflection
• reconstroction
• retraction

When light bends it is ______

• Reflection
• Absorption
• refraction 
• optical density

When light passing from air to glass will cause the light to

• maintain its original speed 
• accelerate while it is in glass
• increase its speed
• reduce its speed

A light ray is incident from water to air. Which of the refracted rays is correct?

• A

• B

• C

• D