Unit 11.Quiz 3.LT 4/5

[LT 4] The is an example of...

• Reflection

• Refraction

• Diffraction

• Infrared

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U11.LT 4

[LT 4] The is an example of...

• Reflection

• Refraction

• Diffraction

• Ultraviolet Light

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U11.LT 4

[LT 4] The is an example of...

• Reflection

• Refraction

• Diffraction

• Rarefaction

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U11.LT 4

[LT 5] The frequency of a light wave is 7.5x10¹⁴ Hz. Recall the speed of light is 3x10⁸ m/s. Calculate the wavelength of the wave to determine what color is it?

• 4.0x10^-7 Violet

• 4.9x10^-7 Blue

• 5.9x10^-7 Yellow

• 7.0x10^-7 Red

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U11.LT 5

[LT 5] The frequency of a wave is 6x10¹⁸ Hz. Recall the speed of light is 3x10⁸ m/s. Calculate the wavelength of the wave to determine what type of wave is it?

• Infrared Wave

• Ultraviolet Wave

• X Ray

• Gamma Ray

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U11.LT 5

[LT 5] Which electromagnetic wave causes sunburns?

• Gamma Rays

• X Rays

• Ultraviolet Waves

• Infrared Waves

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U11.LT 5

[LT 5] Select the three (3) types of electromagnetic waves that can cause cancer in humans. You must pick all three for full credit. Choose your answers by turning the circles blue.

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U11.LT 5

[LT 5] How do microwaves cook food?

• By irradiating them with low doses of radiation.

• By flipping water molecules, producing friction.

• By energizing into infrared and being absorbed by food.

• By conducting electricity into the food, increasing heat resistance.

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U11.LT 5

[LT 5] Radio stations have a number in their name, referring to the stations'

• Amplitude

• Popularity rating

• Radio frequency

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U11.LT 5