Refraction of light

The velocity of light in vacuum is _______ m/s

• 3x10⁸
• 3x10¹²
• 3x10⁶
• 3x10¹⁰

Tags

NGSS.HS-PS4-1

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

Absolute refractive index of any medium is always _______.

• less than 1
• greater than 1
• 1
• 0

Swimming pools and the ocean look shallower than they really are due to:

• reflection 
• dispersion
• refraction
• total internal reflection

The formula to calculate the refractive index is

• n=cv
• n=v/c
• n=c/v
• v=nc

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

What is this called?

• refraction
• reflection
• reconstroction
• retraction

Tags

NGSS.MS-PS4-2

NGSS.MS-PS4-1

A ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What is the angle of refraction? (air n=1, crown glass n=1.532)

• 39.7 degrees
• 19.2 degrees
• 59.1 degrees
• 12.3 degrees

Glass has a _____________ index of refraction than air.

• Equal
• Greater
• Less
• Impossible to say

Tags

NGSS.MS-PS4-2

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

Tags

NGSS.HS-PS4-1

What is the index of refraction of a refractive liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?

• 1.33
• 2.21
• 2.37
• 1.72