1B.1 Consider the following statements about electromagnetic...

1B.1 Consider the following statements about electromagnetic radiation and decide whether they are true or false. If they are false, correct them. a. As the temperature of a black body increases, the wavelength at which the maximum intensity is found decreases. b. Photons of radio-frequency radiation are higher in energy than photons of ultraviolet radiation.

1) What incorrect prediction of classical physics is termed the "ultraviolet catastrophe"? a. A black body should emit a continuous spectrum of radiation, including a broad range of wavelengths b. The total power of radiation emitted by a black body scales as T^4T4 c. A black body should emit decreasing intensities of radiation at longer wavelengths d. A black body should emit increasing intensities of radiation at shorter wavelengths e. The black body spectrum has a peak that is inversely proportional to temperature 2) What key idea of quantum mechanics was necessary to accurately predict the radiation spectrum of a black body? a. Black bodies can be thought of as simple harmonic oscillators b. Black bodies have infinitely low temperature c. All particles also have a wave-like nature d. The radiation energy emitted by a black body is quantized (in discrete packets) e. A black body must absorb all radiation that hits it

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