CBSE Class 11-science Answered
can you please explain intensity and the relation between intensity and wavelenth?
Asked by NANCYJAIN | 21 Aug, 2010, 12:00: AM
Expert Answer
The intensity of an electromagnetic wave refers to the power per area a wave would impart should it be incident on a surface. The intensity is determined by the strength of the magnetic and electric fields
remember:
The amount of radiation emitted from a body increases exponentially with a linear rise in temperature
The average wavelength of electromagnetic emissions becomes shorter with increasing temperature
But the amount of radiation passing through a specific area i.e intensity is inversely proportional to the square of the distance of that area from the energy source
Answered by | 22 Aug, 2010, 11:12: AM
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