The emission spectrum of a hot body shows a maximum at a wavelength of .

PHYSICS · Multi-part · A Level · Physics · Particles and radiation · Particles and radiation

Problem

The emission spectrum of a hot body shows a maximum at a wavelength of 800 nm800\,\text{nm}. (1) In which part of the electromagnetic spectrum does the wavelength 800 nm800\,\text{nm} lie? (2) What is the temperature of the hot body? (3) If the body is now heated considerably, what would happen to the wavelength at which maximum intensity is radiated?

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