Physicsmedium · Past Paper
Which of the following is not a unit of power?
AWatt
BJoule-second
CHorsepower
DJoule/second
✓ Correct Answer: B — Joule-second
Power is work/time (J/s). Joule-second is a unit of action or angular momentum, not power.
Share this question
More from Physics
- A train starts from station A with acceleration 0.5 m/s^2 and then retards at 1 m/s^2 to stop at station B. If total time is 30s, distance AB is:
- If a body moves with uniform speed in a circular path, its motion is:
- Which of the following is the formula for Kinetic Energy?
- Which form of energy is possessed by a flying bird?
- A man of weight 600 N on earth will weigh how much on the moon? (g_moon = 1/6 g_earth)