Reflection and Refraction

What is the angle of reflection equal to?

• The angle of refraction

• The angle of incidence

• The angle of absorption

• The angle of light

Tags

NGSS.MS-PS4-2

What is it called when light bends as it moves from one substance to another?

• Absorption

• Reflection

• Refraction

• Incidence

Tags

NGSS.MS-PS4-2

Which of the following characteristics are correct for the image formed in a plane mirror?

I. Upright

II. Inverted

III. Real

IV. Same size as the object

V. Virtual

• I, II, III

• I, III, IV

• I, IV, V

• III, IV, V

Which of the following factors contributes to the bending of light?

• Change of speed of light

• Change of density of light

• Change of colour of light

• Change of energy of light

Tags

NGSS.MS-PS4-2

Light has the lowest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45

• diamond
• water
• flint glass
• barium glass

When light passes at an angle to the normal from one material into another material in which its speed is lower

• it is bent towards the normal.
• it always lies along the normal.
• it is unaffected.
• it is bent away from the normal.

How is light affected by an increase in the index of refraction?

• Its frequency increases
• Its frequency decreases
• Its speed increases
• Its speed decreases

Tags

NGSS.HS-PS4-1

Which of the following describes what will happen to a light ray incident on a glass-to-air boundary at greater than the critical angle?

• total internal reflection
• total external transmission
• partial reflection, partial transmission
• partial reflection, total transmission

Light travels through a liquid at 2.25 EE 8 m/s. What is the index of the liquid?

• 1.33
• 1.0
• 1.523
• 2.45

Glass has a _____________ index of refraction than air.

• Equal
• Greater
• Less
• Impossible to say

Tags

NGSS.HS-PS4-1