7. Speed of light in vacuum is nearly equal to C =
A)3.10 m/s
(8) 2. 10 m/s
C4, 10² m/s
(D) 5.10 m/s
Answers
Answered by
10
Explanation:
Time taken =
C/μ
400
=
C
400×μ
=
3×10
8
400×1.5
=2×10
−6
sec
=2 μs (∵10
−6
=micro)
Answered by
1
Answer:
ANSWER
Time taken =
C/μ
400
=
C
400×μ
=
3×10
8
400×1.5
=2×10
−6
sec
=2 μs (∵10
−6
=micro)
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