Reflection, Refraction, Snell's Law Practice

When light bends as it passes through a substance it's called:

• Diffusion

• Reflection

• Refraction

• Diffraction

Tags

NGSS.MS-PS4-2

When light bends and bounces off a substance it's called:

• Diffusion

• Diffraction

• Reflection

• Refraction

Tags

NGSS.MS-PS4-2

Rays of light hit the smooth, glossy pages of a magazine. The rays of light reflect off at one angle, producing a glare. What kind of reflection is it?

• Diffuse Reflection

• Regular Reflection

• Critical Angle

• Refraction

Rays of light hit the rough, textured pages of a book. The rays of light reflect off at multiple angles. What kind of reflection is it?

• Specular/Regular reflection

• Refraction
• Absorption
• Diffuse reflection

Tags

NGSS.MS-PS4-2

The angle of reflection is _____ to the angle of incidence.

Tags

NGSS.MS-PS4-2

1. A ray of light is incident at an angle of 60 degrees upon the surface of a piece of crown glass. What is the angle of refraction? Crown Glass (n = 1.52)

• 34.7degrees

• 71.1 degrees

• 52 degrees

• 39.5 degrees

Light is incident at an angle of 60 degrees on the surface of a diamond. Find the angle of refraction.  Diamond (n = 2.42)

• 50.4 degrees
• 42.8 degrees
• 35.2 degrees
• 21 degrees

 A ray of light passes from water into crown glass at an angle of 23.2 degrees. Find the angle of refraction. Water (n = 1.33) Crown Glass (n = 1.52)

• 17.83 degrees
• 25.69 degrees
• 21.45 degrees
• 20.16 degrees

A ray of light moves from air into an unknown substance. The angle of incidence is 24.7 degrees. If the angle of refraction is 9.94 degrees, what is the unknown substance's index of refraction?

• 2.42

• 1.37
• 1.62
• 1.75

 Light goes from flint glass into ethanol. The angle of refraction in the ethanol is 25 degrees. What is the angle of incidence in the glass? flint glass (n= 1.61)  Ethanol ( n = 1.36)

• 20.9 degrees

• 18.9 degrees
• 30.5 degrees
• 15.2 degrees