Year 11 light refraction 2

Glass has a _____________ index of refraction than air.

• Equal
• Greater
• Less
• Impossible to say

• Reflection
• Refraction

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

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

A ray of light enters air from glass. The angle of incidence is 35^o and the angle of refraction is 69^o. Find the refractive index of the glass.

• 1.62

• 1.63

• 1.64

• 1.65

A ray of light travelling at 300,000,000 m/s enters a glass block (n = 1.5) from air (n = 1.0). Determine the speed of light in the glass and type in the missing number.

What causes light to appear refracted?

• temperature
• speed
• weather
• climate

If the angle of incidence of light traveling through air, and then striking water is 30 degrees what is the angle of refraction? (n=1 air, n=1.33 water)

• 15 degrees
• 22 degrees
• 43 degrees
• 17 degrees

Which of the following is a correct representation of snell's law?

• n₁sinθ₂=n₂sinθ₁

• n₁sinθ₁=n₂sinθ₂

• n₂sinθ₁=n₁sinθ₂

• n₁/sinθ₁=n₂/sinθ₂