Electromagnetic Spectrum

Which type of electromagnetic waves have the greatest energy?

• gamma rays

• microwaves

• radio waves

• visible light

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112.35.c.6.B

As wavelength increases, frequency ___________.

• increases

• decreases

• stays the same

• unknown

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112.35.c.6.B

As frequency increases, energy ________.

• increases

• decreases

• stays the same

• unknown

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112.35.c.6.B

As wavelength decreases, energy _______.

• increases

• decreases

• stays the same

• unknown

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112.35.c.6.B

Visible light is part of the electromagnetic spectrum humans can detect. It can be broken into different colors. Looking at the chart, which color has the greatest energy?

• violet

• red

• green

• yellow

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112.35.c.6.B

Reorder the following types of radiation in order of increasing energy

• x rays

• visible light

• radio waves

• infrared

• gamma rays

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112.35.c.6.B

Which type of electromagnetic waves have the lowest energy?

• gamma rays

• microwaves

• radio waves

• visible light

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112.35.c.6.B

Why do x-rays have higher energy than ultraviolet (UV) radiation?

• because they have a lower frequency

• because they have a longer wavelength

• because x-ray equipment is more powerful than the sun

• because they have a higher frequency

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112.35.c.6.B

What is frequency?

• the length between two identical points on adjacent waves

• the speed of gravitational acceleration between two waves

• how much work a photon particle can exert

• how many wavelengths pass a point in a second

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112.35.c.6.B

Which radiation has a shorter wavelength?

• infrared

• x-rays

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112.35.c.6.B