Light Reflection

Which of these does not use light reflection to work?

• CD

• Blu-ray disc

• DVD

• Car

Tags

NGSS.MS-PS4-2

How do fiber optic cables work?

• Light reflects off the inside of the cable

• electricity is transmitted through the cable

• they use lots of little light bulbs like Christmas lights and turn them all on at once

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

A black object does not reflect any light.

• true

• false

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NGSS.MS-PS4-2

How can an out-of-focus image reflected in the camera obscura be brought into focus?

• with a lens

• by taking a better picture

• with a new mirror

• it can't, they take bad pictures because they are old cameras

The following diagram shows a driver who could see the image of a vehicle behind him without turning his back.

Why?

• Light travels in a straight line

• Light is refracted

• Light is reflected

• Light travels in two different mediums

Tags

NGSS.MS-PS4-2

Which of these is the best reflector of light?

• shiny metal

• white paper

• carpet

• wood

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NGSS.MS-PS4-2

In the diagram, which letter show reflected light?

• A

• B

• C

• D

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NGSS.MS-PS4-2

Tick the correct of TWO devices which use the principle of light reflection in our daily lives.

• 
• 
• 
• 

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NGSS.MS-PS4-2

Ariff is watching a cat on a wall using a periscope. Which of the following is the correct reflected ray diagram in the periscope? Tick the correct answer.

• 
• 
• None

• None

Tags

NGSS.MS-PS4-2

Which of the following is a law of reflection?

• The angle of incidence is equal to the angle of reflection.

• The angle of incidence is greater than the angle of reflection.

• The angle of incidence is less than the angle of reflection.

• The angle of incidence is twice the angle of reflection.

Tags

NGSS.MS-PS4-2