Exploring the Electromagnetic Spectrum

What type of waves are electromagnetic waves?

• Longitudinal waves

• Surface waves

• Transverse waves

• Mechanical waves

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At what speed do electromagnetic waves travel in a vacuum?

• 3 x 10^9 meters per second

• 3 x 10^7 meters per second

• 3 x 10^6 meters per second

• 3 x 10^8 meters per second

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What happens to the speed of electromagnetic waves when they travel through different mediums?

• It decreases

• It remains the same

• It increases

• It varies

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Which type of electromagnetic wave has the largest wavelength?

• Gamma rays

• Microwaves

• X-rays

• Radio waves

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What is the relationship between wavelength and frequency in the electromagnetic spectrum?

• They are inversely proportional

• They are equal

• They are directly proportional

• They are unrelated

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What part of the electromagnetic spectrum can human eyes detect?

• Visible light

• X-rays

• Ultraviolet

• Infrared

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What mnemonic can help remember the colors of the visible spectrum?

• HSB

• CMYK

• RGB

• ROY G BIV

Which types of electromagnetic waves are ionizing and can cause damage to cells?

• Radio waves, Microwaves, Infrared

• Visible light, Infrared, Ultraviolet

• Ultraviolet, X-rays, Gamma rays

• Microwaves, X-rays, Gamma rays

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What can cause gamma rays to be emitted?

• Electron transitions

• Radioactive decay

• All of the above

• Molecular vibrations

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What can happen to electromagnetic waves when they come into contact with an object?

• All of the above

• They can be absorbed

• They can be reflected

• They can be transmitted

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