Unit 8 Waves & Electromagnetic Waves

What is a type of wave where the vibration is perpendicular to the direction the wave travels?

• transverse waves

• longitudinal waves

• perpendicular waves

• reverse waves

Electromagnetic waves do not need a medium because they can transfer energy using electric and magnetic field?

• True

• False

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Electromagnetic waves are split based on the different frequencies. This is called the __________.

• Mechanical waves

• Electronic waves

• Electromagnetic spectrum

• Expecto Patronum

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As the wavelength decreases, the frequency increases.

• True

• False

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Visible light has how many different frequencies and wavelengths?

• 5

• 6

• 7

• 8

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Which type of wave is used in light to see bloodstains in crime scenes?

• Blue visible light

• X-ray

• Ultraviolet radiation

• Infrared radiation

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Which electromagnetic wave is produced by the process within the atom and can be used to see through the skin and to the bones?

• Infrared radiation

• X-rays

• Ultraviolet radiation

• Gamma rays

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Which type of radio waves has a higher frequency: AM or FM?

• AM

• FM

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Which electromagnetic wave has the shortest wavelenght?

• Radio waves

• Gamma rays

• Infrared radiation

• Microwaves

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Thermographic cameras can be used to detect the temperature of objects by using __________.

• Gamma rays

• X-ray

• Thermometer

• Infrared radiation

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