Intro to the Electromagnetic Spectrum

What happens to the electron that causes it to emit energy?

• The neutrons release energy

• The electrons gain energy and are excited

• The nucleus expoldes

• The electrons stop moving

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NGSS.HS-PS1-2

Which of the following is NOT a result of an electron releasing energy?

• Light is emitted.

• The electron moves to a higher energy level.

• The electron returns to a lower energy level.

• Energy is released.

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NGSS.HS-PS4-3

In the diagram, which wave is labeled as having a long wavelength?

• Wave (a)

• Wave (b)

• Both waves

• Neither wave

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NGSS.HS-PS4-1

If a wave has a long wavelength, what can be said about its frequency?

• It has a high frequency

• It has a low frequency

• Frequency is not affected

• It has a variable frequency

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NGSS.HS-PS4-1

Which of the following best describes a wave with a short wavelength?

• Low frequency and high energy

• High frequency and low energy

• High frequency and high energy

• Low frequency and low energy

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NGSS.HS-PS4-1

Which of the following is a characteristic of a wave with a long wavelength?

• High frequency

• Low frequency

• High amplitude

• Low amplitude

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NGSS.HS-PS4-1

What is the symbol for Hertz?

• Hz

• H

• He

• Hr

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NGSS.HS-PS4-1

What is the inverse of frequency?

• Amplitude

• Wavelength

• Period

• Speed

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NGSS.HS-PS4-1

Which color in the visible spectrum has the longest wavelength?

• Red

• Blue

• Green

• Violet

What is the frequency range for green light in the visible spectrum?

• 526 - 606 THz

• 484 - 508 THz

• 670 - 700 THz

• 400 - 484 THz

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NGSS.HS-PS4-1