NEET Physics Optical Instruments MCQ Question
What is the presently accepted speed of light in vacuum?
99792458 × 10^8 m/s
00 × 10^8 m/s
5 × 10^8 m/s
5 × 10^8 m/s
Correct Answer
Detailed Explanation
The presently accepted value of the speed of light in vacuum is c = 2.99792458 × 10^8 m/s, as noted in the NCERT context provided.
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