Multiple choice

A chronometer measures

  1. sound waves

  2. time

  3. water waves

  4. colour contrast

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A chronometer is a precise timekeeping instrument, essentially a highly accurate clock. It specifically measures time. The other options are incorrect: sound waves are measured by oscillosodes or frequency meters, water waves by wave height/length analyzers, and color contrast by photometry tools.