Questions
A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the sun and the earth in terms of the new unit, if light takes to cover this distance?
detailed solution
Correct option is C
Eight minutes and twenty second means 500 s. ∴d=500cwhere, c= speed of light in vacuum which is taken as unity.Hence, d=500 units.Talk to our academic expert!
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Which of the following cannot be regarded as an essential characteristic of a unit of measurement?
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