If the unit of length be doubled then the numerical value of the speed of light in vacuum will become (with respect to present value) - (A)double (B)Half (C)remain same (D)answer depend on system of unit Q.17 Which of the following is not a unit of energy ?
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The speed of light in vacuum will be doubled if the length is doubled
- The speed of light in vaccum is given by the formula
Speed of light = (Distance Travelled in vacuum / Time taken)
- The relation shows that the speed of light is directly dependent on the distance tavelled by the light
- Distance is measured in length and if unit of length is doubled distance travelled by the light will also be doubled
- As speed of light is dependent on the distance travelled it will also be doubled
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