WBCS.LIVE practice question

'Light Year' is a unit of:

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Time
  2. Speed
  3. Distance
  4. Intensity of Light

Correct answer and explanation

Correct answer: Distance

Explanation: āœ… Correct Answer: (C) Distance šŸ“š Explanation: A light year is the distance that light travels in a vacuum in one year. Since light moves at approximately 300,000 kilometers per second, a light year is about 9.46 trillion kilometers. It is a standard unit used in astronomy to measure the vast distances between stars and galaxies. Despite the word 'year' in its name, it measures length/distance, not time.