PS Advanced Unit 05 Review - EM Spectrum and Waves

Which term best describes why the straw in the glass looks broken?

• Absorption

• Reflection

• Refraction

• Transmission

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Which image shows reflection of light?

• 1

• 2

• 3

• 4

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Which image shows transmission of light?

• 1

• 2

• 3

• 4

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Which image below shows absorption of light?

• 1

• 2

• 3

• 4

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Which image below shows refraction of light?

• 1

• 2

• 3

• 4

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If a student shines a white light flashlight on a black piece of paper, which colors are absorbed and which are reflected?

• all the colors are absorbed

• all the colors are reflected

• red, orange and yellow are absorbed; green, blue and violet are reflected.

• red, orange and yellow are reflected; green, blue and violet are absorbed.

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Why does a red apple appear red?

• It is absorbing red light and reflecting all other colors.

• It is reflecting red light and absorbing all other colors.

• It is transmitting red light and refracting all other colors.

• It is refracting red light, and transmitting all other colors.

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If you are looking at a red apple in a room that only has green light, what color will the apple appear?

• Red

• Green

• Blue

• Black

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Which color reflects all light that hits it?

• Black

• Blue

• White

• Red

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Why do you see lightning before you hear thunder?

• Light travels faster than sound in a gas (air).

• Sound travels faster than light in a gas (air).

• Light refracts as it moves from a vacuum to a gas (air).

• Sound moves faster though a more dense medium like a solid.