Chapter 4 Test Review

To calculate the frequency of an electromagnetic wave, you need to know the speed of the wave and its

• wavelength

• refraction

• intensity

• amplitude

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The full range of frequencies of electromagnetic radiation is called

• visible light

• the electromagnetic spectrum

• radio waves

• invisible radiation

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What happens to frequency when the energy increases?

• it increases

• it stays the same

• it decreases

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Select the correct order of waves on the EMS from low to high energy

• Radio wave, Microwave, Infrared, Visible, Ultraviolet, X-ray, Gamma

• Visible, Microwave, Infrared, Ultraviolet, X-ray, Gamma, Radio wave

• Gamma, X-ray, Ultraviolet, Visible, Infrared, Microwave, Radio wave

• Microwave, Radio wave, Visible, Infrared, Ultraviolet, X-ray, Gamma

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Which EM waves are have the lowest frequency?

• radio

• none

• infrared

• x-rays

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The blue section of the wave is measuring _________________.

• wavelength
• crest
• trough
• amplitude 

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What is the variable c used for?

• frequency

• wavelength

• Energy

• speed of light

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What is the variable λ used for?

• frequency

• wavelength

• Energy

• speed of light

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The frequency of light is 7.14 x 10¹⁴ Hz. What is the wavelength?

• 3.00 x 10⁸ m

• 4.20 x 10^-7 m

• 2.25 x 10²³ m

• 3.90 x 10^-9 m

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Calculate the energy of light with a frequency of 5.10 x 10¹⁴ Hz.

• 3.38 x 10^-19 J

• 5.88 x 10^-7 J

• 9.62 x 10¹² J

• 1.04 x 10^-13 J

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