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B. Thermal Radiation Quiz

Authored by Chris Marano

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12th Grade

B. Thermal Radiation Quiz
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57 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements is true about thermal radiation?

Only bodies at absolute zero radiate thermal radiation.

Only bodies warmer than zero Kelvin radiate thermal radiation.

All bodies radiate thermal radiation regardless of temperature.

Thermal radiation is not present in the environment.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does radiant energy cover?

A narrow range of wavelengths.

Only visible light wavelengths.

A wide range of wavelengths.

Only ultraviolet wavelengths.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the two factors that the wavelength and rate of radiation depend on?

The color of the surface and the temperature of the surface.

The nature of the material forming the surface and the temperature of the surface.

The size of the surface and the temperature of the surface.

The shape of the surface and the temperature of the surface.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a material called if it radiates at the maximum value for every wavelength at a given temperature?

White Body

Grey Body

Black Body

Transparent Body

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the energy emitted by a black body as the temperature increases?

The energy decreases

The energy remains the same

The energy increases

The energy fluctuates

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between wavelength and energy for a black body?

Longer wavelength -> higher energy

Shorter wavelength -> higher energy

Wavelength does not affect energy

Wavelength and energy are inversely proportional

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Stefan-Boltzmann equation calculate?

The total energy emission rate by radiation per unit surface area over all wavelengths from a black body at a temperature T in Kelvin

The total energy absorption rate by radiation per unit surface area over all wavelengths from a black body at a temperature T in Kelvin

The total energy emission rate by conduction per unit surface area over all wavelengths from a black body at a temperature T in Kelvin

The total energy absorption rate by conduction per unit surface area over all wavelengths from a black body at a temperature T in Kelvin

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