Question

28
Units & Measurements
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​

Answer 1

Answer:

here's your Answer↓

Explanation:

1)first of all you should convert the speed of light in to km

2) 3 × 10^8 m/s = (3 × 10^8) ÷ 1000 km/s

3) the speed of light in new system of unit = 3 × 10^5 km/s

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