Question

3. Speed of light in S.I. system is 3 * 108 m/s. In a
new system, unit of length is a km and unit of
time is b second. Then speed of light in new
system of unit is
(1) b/a .10^5
(2) b/3a . 10^5
(3) 3a/b. 10^5
(4) 3b/a . 10^5
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Answer 1

Answer:

your answer is below

Explanation:

this is 3 option