Physicseasy · Past Paper
Sound is a form of energy produced by what?
AHeating
BVibrating objects
CChemical reactions
DStatic electricity
✓ Correct Answer: B — Vibrating objects
Sound is produced whenever an object vibrates, creating pressure changes in the surrounding medium.
Share this question
More from Physics
- The change in direction of a ray of light when it enters from a rarer medium to a denser medium is:
- When a body is thrown upwards, the work done by gravity is:
- A wire of resistance 20 Ohms is cut into two equal halves. What is the resistance of each half?
- If the resistance of a circuit is doubled while the voltage remains the same, the current will:
- In a transformer, if the efficiency is 80%, input power is 1000W, and output voltage is 200V, find the output current.