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The ultraviolet catastrophe refers to the prediction by classical physics that a blackbody would emit an infinite amount of energy at short wavelengths, which is not observed experimentally. This discrepancy was resolved by the development of quantum mechanics and Planck's law of blackbody radiation, which introduced the concept of energy quantization.

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Q: What best describes the ultraviolet catastrophe of blackbody radiation?
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Who discovered blackbody radiation?

Blackbody radiation was discovered by Max Planck in 1900. Planck proposed a theory that described the spectral distribution of energy emitted by a blackbody at different temperatures, leading to the development of quantum mechanics.


Does a blackbody emit all its radiation at a single frequency?

No, a blackbody emits radiation over a range of frequencies, not just a single frequency. The distribution of radiation emitted by a blackbody is described by Planck's law, which shows that the intensity of radiation varies with different wavelengths.


What does Stefan's law tell us about radiation emitted by a blackbody?

Stefan's law states that the total amount of radiation emitted by a blackbody is directly proportional to the fourth power of its absolute temperature. This means that as the temperature of a blackbody increases, the amount of radiation it emits also increases significantly.


What did planck assume in order to explain the experimental data for blackbody radiation?

Max Planck assumed that the energy emitted by oscillators in a blackbody is quantized, meaning it can only take on discrete values, in order to explain the experimental data for blackbody radiation. This assumption led to the development of the famous Planck's law, which accurately described the spectrum of radiation emitted by a blackbody.


What was the purpose of the blackbody radiation experiment?

The purpose of the blackbody radiation experiment was to study the spectrum of light emitted by a perfect absorber of radiation at different temperatures. This experiment helped to confirm the existence of quantized energy levels in atoms and provided important insights into the behavior of electromagnetic radiation.

Related questions

Which phrase describes blackbody radiation?

Light given off by an object based on its temperature


Drawbacks of rayleigh geans law?

One drawback of Rayleigh-Jeans law is that it predicts that the energy of blackbody radiation increases with frequency without limit, leading to what is known as the "ultraviolet catastrophe." This contradicts experimental observations at high frequencies where the law fails. Another drawback is that it fails to accurately describe the behavior of blackbody radiation at low wavelengths, known as the Rayleigh-Jeans region.


Who discovered blackbody radiation?

Blackbody radiation was discovered by Max Planck in 1900. Planck proposed a theory that described the spectral distribution of energy emitted by a blackbody at different temperatures, leading to the development of quantum mechanics.


Does a blackbody emit all its radiation at a single frequency?

No, a blackbody emits radiation over a range of frequencies, not just a single frequency. The distribution of radiation emitted by a blackbody is described by Planck's law, which shows that the intensity of radiation varies with different wavelengths.


What is a perfect black body?

A perfect blackbody absorbs all radiation incident on it and It emits electromagnetic radiation in the form of thermal radiation from its surface. OR A perfect blackbody is a perfect emitter and perfect absorber.


What does Stefan's law tell us about radiation emitted by a blackbody?

Stefan's law states that the total amount of radiation emitted by a blackbody is directly proportional to the fourth power of its absolute temperature. This means that as the temperature of a blackbody increases, the amount of radiation it emits also increases significantly.


What did planck assume in order to explain the experimental data for blackbody radiation?

Max Planck assumed that the energy emitted by oscillators in a blackbody is quantized, meaning it can only take on discrete values, in order to explain the experimental data for blackbody radiation. This assumption led to the development of the famous Planck's law, which accurately described the spectrum of radiation emitted by a blackbody.


What is the glow of a hot object?

It's Blackbody Radiation


What is a perfect absorber or emitter of radiation called?

A perfect absorber or emitter of radiation is called a blackbody. It absorbs all incident radiation regardless of wavelength or direction, and emits radiation at the maximum possible level for a given temperature.


Does earth emit ultraviolet radiation?

The Earth itself does not emit ultraviolet radiation. Ultraviolet radiation primarily comes from the sun, which emits different wavelengths of light including ultraviolet radiation. When the Earth is exposed to sunlight, it can absorb and reflect this ultraviolet radiation.


What is the scientific term for florescent light bulbs?

blackbody radiation


What happens inside the object during blackbody radiation?

There is absorption of radiation inside or outside of the object