The peak wavelength of radiation emitted by a black body at a temperature of 1000 K is 1.35 um. If the peak wavelength of emitted radiation changes to 2.50 um, then temperature of the black body is.

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Q: Q1: In the Figure 1, two forces (P & Q) are acting on the same fixed point A. Find the resultant of ...

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Q: *3.2 [PQ1 A 100 mm diameter sphere contains an ideal gas at 20°C. Apply the grid method (p. 9) to ca...

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Radiation

Radiation can be described as the energy in the form of a particular matter or electromagnetic waves traveling in the air and can be in the form of light, sound, and heat. Radiation can be detected through special instruments like X-rays. The radiation from a cooler object is less intense as compared to the radiation from hot objects.