What is the speed of light in air? – McqOptions

MCQOPTIONS

1.	What is the speed of light in air?
A.	3 × 106 m/s
B.	3 × 108 m/s
C.	3 × 104 m/s
D.	3 × 105 m/s
Answer» C. 3 × 104 m/s

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