The velocity with which thermal radiation travels in vacuum is? – McqOptions

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1.	The velocity with which thermal radiation travels in vacuum is?
A.	3 ´ 106 m/s
B.	3 ´ 107 m/s
C.	3 ´ 108 m/s
D.	3 ´ 10-16 m/s
Answer» D. 3 ´ 10-16 m/s

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