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Question

In an atomic explosion, a temperature of about 10 million degrees is developed at the moment of explosion. The wavelengths of light corning from the hot region of the atomic explosion lie in the

A
Ultraviolet region
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B
Visible region
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C
Infrared region
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D
X-ray region
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Solution

The correct option is C Infrared region
lnfrared radiation, often abbreviated as IR, the large band of infrared wavelengths extends from the far-red portion of the visible light spectrum (around 700 - 780 nanometers) to about one millimeter in wavelength. This type of radiation is associated with the thermal region where visible light is not necessarily detectable or even present. As high temperature is developed at the moment of atomic explosion the wavelength of the light coming from that region lie in the infrared region.

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