science
Grade-4-
Easy
Question
Which one of the following options is not correct?
- A wave carries energy
- A wave doesn't carry the matter
- A wave has mass
- A wave is produced by a disturbance
Hint:
A wave only carries energy.
The correct answer is: A wave has mass
- A wave is produced by a disturbance.
- A wave always carries energy but not matter.
- Wave does not has mass.
- So, the incorrect statement is "a wave has mass" .
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