AIIMS2009Physics-Astrophysics
AIIMS 2009 Physics Black Holes MCQ Question
Type: MCQ-conceptual-Medium-Class 11
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
A
in the visible region
B
in the X⁻ray region
C
in the microwave region
D
in the gamma-ray region of electromagnetic spectrum
Correct Answer
Option B
Detailed Explanation
λmT = 2.898 x 10^-3 mK.
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