Use the blackbody spectrum simulation to investigate how the...

use the blackbody spectrum simulation to investigate how the spectrum of electromagnetic radiation emitted by objects is affected by the objects temperature. in this simulation you can input the temperature and observe the spectrum of radiation emitted

Transcript

00:01 Hello students, to determine the wavelength at which sun's blackbody spectrum is peaks of sun's blackbody spectrum.

00:15 So we need to explore the simulation to find the maximum point of the spectrum curve.

00:22 So max there will be a spectrum of blackbody and we need to find out the maximum point.

00:30 So you can start with the simulation.

00:34 At first you have to navigate the spectrum.

00:37 So go through the spectrum.

00:41 You can observe the curve representing intensity of light observed at different wavelengths lambda which is plotted in the x -axis.

00:52 Okay now you note the corresponding wavelength in the x -axis that gives you the maximum maximum wavelength.

01:02 So this lambda value you have to find.

01:05 Now you can look for the highest points on the curve which indicates the peak intensity.

01:10 This is lambda max.

01:13 Okay this value.

01:15 Once you find the peak wavelength in micrometers you can convert it into nanometers.

01:21 So in this is in micrometers you can convert into nanometers by just simply multiplying by thousand.

01:34 So there are thousand nanometers in one micrometer.

01:37 Now we can determine the kind of electromagnetic radiation associated with that thing.

01:41 So if the peak wavelength is in the range of 0 .7 to 0 .4 micrometers that is corresponds to 700 to 400 nanometers.

01:53 This corresponds to visible light...

Question

use the blackbody spectrum simulation to investigate how the spectrum of electromagnetic radiation emitted by objects is affected by the objects temperature. in this simulation you can input the temperature and observe the spectrum of radiation emitted

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