Diffraction of Light

How Is Diffraction Caused?

• A wave being shifted by a diffracting object.

• A transverse wave pushing against a force.

• One surface wave with tiny particles.

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NGSS.MS-PS4-2

When does diffraction occur?

• When waves pass though an opening.

• When you can hear your friend around the corner.

• When your mom yells at you for getting this answer wrong.

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NGSS.MS-PS4-2

Does light waves diffract easily?

• Yes.

• No.

• Maybe.

• Depends.

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NGSS.MS-PS4-2

how is diffraction help things

• it helps people breath

• it allows people to swim

• it allows light to be modified

witch picture is diffraction

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NGSS.MS-PS4-1

A student placed a pencil in a cup of water.  The pencil appears broken because light-

• always travels in a straight line
• bends when it passes through water
• makes the water in the glass evaporate
• reflects the pencil on the water's surface

Tags

NGSS.MS-PS4-2

A material or substance that a matter wave travels through is  ________

• a block
• a wall
• a medium
• an electromagnetic spectrum

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NGSS.MS-PS4-1

NGSS.MS-PS4-2

What type of wave spreads out and goes through an opening or around corner?

• Reflection

• Refraction

• Interference

• Diffraction

What does this image describe ?

• Reflection

• Diffraction

• Interference

• Refraction

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

• Diffraction
• Interference

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2