Waves questions | form four Physics
Find Waves examination questions, form four Physics in acaproso.com
| # | Question |
|---|---|
| 1 | A sound is sent out from the ship and its reflection from the floor of the ocean returns one second later. Assuming that the velocity of sound in water is 1500 m/s, how deep is the ocean? Short answers |
| 2 | What is meant by the following terms? Short answers |
| 3 | Briefly give reasons for the following: Short answers |
| 4 | The frequency obtained from a plucked string is 400 Hz when the tension is 2 N. Calculate: Short answers |
| 5 | The timbre of a sound is also referred to as? Short answers |
| 6 | What is a sonometer? Short answers |
| 7 | Briefly explain when resonance is said to occur? Short answers |
| 8 | Two boys at 200m apart stand on one side of a high vertical cliff at the same perpendicular distance from it. When one fires a gun, the other hears the sound 0.6 seconds after the flash and the second sound 0.25 seconds after the first sound. Calculate the perpendicular distance of the two boys from the cliff. Short answers |
| 9 | Distinguish between mechanical and electromagnetic waves. Short answers |
| 10 | Explain why a duck remains floating at the same place as a wave passes by the Short answers |
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