AIIMS 2009 Physics Black Holes MCQ Question
Black holes in orbit around a normal star are detected from the earth due to the frictional heating of infalling gas into the black hole, which can reach temperatures greater than 10⁶ K. Assuming that the infalling gas can be modelled as a blackbody radiator, then the wavelength of maximum power lies
in the visible region
in the X⁻ray region
in the microwave region
in the gamma-ray region of electromagnetic spectrum
Correct Answer
Detailed Explanation
λmT = 2.898 x 10^-3 mK.
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