Light Refraction

What do we call the bending of light as it passes between two mediums?

• Reflection

• Refraction

• Diffraction

• Absorption

Which of the following is required for refraction?

• Two mediums with the same index of refraction

• Two mediums with different indicies of refraction

• One medium with a shiny reflective surface

• A corner or gap in a hard surface

Which substance would have the highest index of refraction?

• Vacuum

• Air

• Water

• Glass

In which direction would light refract when travelling from air into water?

Index of refraction air: 1.00003

Index of refraction water: 1.33

• Towards the normal

• Away from the normal

In which direction would light refract when travelling from glass into water?

Index of refraction glass: 1.55

Index of refraction water: 1.33

• Towards the normal

• Away from the normal

Which type of lens causes incident parallel light rays to converge on a focal point?

• Convex lens

• Concave lens

What type of image would be formed at the focal point of a convex lens?

• Virtual

• Real

What type of lens causes light rays to diverge, forming a focal point in front of the lens?

• Convex

• Concave

What type of image forms at the focal point of a concave lens?

• Virtual

• Real