Question

The unit used for measuring larger distances is _______ whereas the unit used for expressing longer times is ________.

• A. Mile, Minute
• B. Light year, Year
• C. Mile, Light year
• D. Kilometer, Hour

Answer 1

The correct option is B Light year, Year

The unit used for expressing longer times is year.

The unit used for measuring larger distances is light year. It is defined as the distance traveled by light in 1 year in vacuum. Its value is $9.46\times {10}^{12}km$.