A new unit ( ) of length is chosen such that it is equal to the speed of light in vacuum
PHYSICS · Single correct · A Level · Physics · Measurements and their errors · Measurements and their errors
Problem
A new unit (α) of length is chosen such that it is equal to the speed of light in vacuum. What is the distance between Venus and Earth in terms of α units if light takes 6 min. 40 s to cover this distance?
(1) A 200α
(2) B 400α
(3) C 300α
(4) D 500α