Wien's Law

What is blackbody radiation?

• Electromagnetic radiation emitted by a perfect blackbody at a given temperature

• Electromagnetic radiation emitted by a perfect mirror

• Electromagnetic radiation emitted by a black hole

• Electromagnetic radiation emitted by a whitebody

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What is the relationship between temperature and peak wavelength according to Wein's Law?

• As the temperature increases, the peak wavelength increases.

• There is no relationship between temperature and peak wavelength.

• As the temperature decreases, the peak wavelength decreases.

• As the temperature increases, the peak wavelength decreases.

At what temperature does a blackbody emit the most radiation?

• 100 Kelvin

• 5800 Kelvin

• 10000 Kelvin

• 0 Kelvin

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NGSS.HS-PS4-3

What is the peak wavelength of a blackbody at 5000 Kelvin?

• 5.796 × 10^-8 meters

• 5.796 × 10^-6 meters

• 5.796 × 10^-7 meters

• 5.796 × 10^-9 meters

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NGSS.HS-PS4-1

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How does the peak wavelength change when the temperature of a blackbody increases?

• The peak wavelength increases.

• The peak wavelength decreases.

• The peak wavelength becomes infinite.

• The peak wavelength remains the same.

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NGSS.HS-PS4-3

What is the mathematical formula for Wein's Law?

• λ_max = (T/b)

• λ_max = (T*b)

• λ_max = (b/T)

• λ_max = (T-b)

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NGSS.HS-PS4-1

What is the unit of measurement for peak wavelength?

• cm

• m

• km

• nm

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What is the peak wavelength of a blackbody at 10000 Kelvin?

• 2.898 × 10^-7 meters

• 2.898 × 10^-8 meters

• 2.898 × 10^-6 meters

• 2.898 × 10^-9 meters

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NGSS.HS-PS4-1

How does the peak wavelength change when the temperature of a blackbody decreases?

• The peak wavelength increases.

• The peak wavelength remains the same.

• The peak wavelength decreases.

• The peak wavelength fluctuates randomly.