science
Grade-4-
Easy
Question
Continuous vibrations at the source creates:
- A pulse
- A wave
- Both pulse and a wave
- None of these
Hint:
Regular and systematic propagation of disturbances from place to place.
The correct answer is: A wave
- Continuous vibrations at the source creates waves.
- Pulse is a single vibration.
- So, the correct option is b.
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