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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

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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



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