WBCS.LIVE practice question
In astrophysics, a 'Light Year' is used as a unit of:
Solve this multiple-choice question and check the correct answer with its explanation below.
Answer options
Correct answer and explanation
Correct answer: Distance
Explanation: ā Correct Answer: C) Distance š Explanation: Despite containing the word "year," a light-year strictly measures vast cosmic distances. It is the distance that light travels in a vacuum in one Julian year, which equates to approximately 9.46 trillion kilometers.