Physics-Optical Instruments

NEET Physics Optical Instruments MCQ Question

Type: MCQ-fact-Medium-Class 12

What is the speed of light in vacuum as per the current accepted value?

A

00 × 10^8 m/s

B

99 × 10^8 m/s

C

50 × 10^8 m/s

D

10 × 10^8 m/s

Correct Answer

Option A

Detailed Explanation

The currently accepted speed of light in vacuum is c = 2.99792458 × 10^8 m/s, which is commonly approximated as 3.00 × 10^8 m/s.

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