Multiple choice general knowledge science & technology

What does Angstrom measure?

  1. Quantity of liquid

  2. Length of light waves

  3. Length of cables

  4. Speed of ships

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

An Angstrom (Å) is a unit of length equal to 10^-10 meters, primarily used to measure wavelengths of light and distances at the atomic scale. It is not used for measuring liquid quantity, cable length, or ship speed.