Question 6
EasyOriginal questionA light year, used for the distances to stars, is a unit of
Show the answer and explanation
CorrectNot quiteAnswer B
Correct answer: B
Explanation
A light year is the distance light travels in one year, about 9.46 × 10¹⁵ m.
Worth noting
The word 'year' tempts students to pick time, but the light year measures how far, not how long.
- Concept
- The light year as a unit of distance
- Typical timeTypical
- 35 s
- Your timeYours
- —
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