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Question
Certain substance emits only the wavelengths λ1, λ2, λ3 and λ4 when it is at a high temperature. When this substance is at a colder temperature, it will absorb only the following wavelengths
Certain substance emits only the wavelengths λ1, λ2, λ3 and λ4 when it is at a high temperature. When this substance is at a colder temperature, it will absorb only the following wavelengths
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Solution
The correct option is D
According to Kirchoff's law in spectroscopy. If a substance emit certain wavelengths at high temperature, it absorbs the same wavelength at comparatively lower temperature.
According to Kirchoff's law in spectroscopy. If a substance emit certain wavelengths at high temperature, it absorbs the same wavelength at comparatively lower temperature.