Refraction: How Light Bends

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

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NGSS.HS-PS4-1

According to Willebord Snell, light passing from air to glass will cause the light to

• maintain its original speed 
• accelerate while it is in glass
• increase its speed
• reduce its speed

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NGSS.HS-PS4-1

Glass has a _____________ index of refraction than air.

• Equal
• Greater
• Less
• Impossible to say

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NGSS.HS-PS4-1

This shows the phenomenon known as....

• reflection
• refraction
• mirrors
• focal point

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NGSS.MS-PS4-2

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

The velocity of light in vacuum is _______ m/s.

• 3x10⁸
• 3x10¹²
• 3x10⁶
• 3x10¹⁰

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NGSS.HS-PS4-1

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

• reflection 
• dispersion
• refraction
• total internal reflection

What is this called?

• refraction
• reflection
• reconstroction
• retraction

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NGSS.MS-PS4-2

NGSS.MS-PS4-1

The bouncing of light is known as

• Mirror
• Refraction
• Index of refraction
• reflection

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NGSS.MS-PS4-2

What is this image showing?

• Reflection
• Refraction
• The law of reflection
• Concave Mirror

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NGSS.MS-PS4-2