Multiple choice

For which of the following is Bar used?

  1. Unit of wave length

  2. Unit of atmospheric pressure

  3. Unit of mass

  4. Unit of velocity
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Bar is a metric unit of atmospheric pressure. 1 bar equals 100,000 pascals or approximately 0.987 standard atmospheres. It's commonly used in meteorology and engineering to measure pressure.

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