Physics
Grade-8
Easy
Question
The picture below shows sound waves in different colors. Pick the color of the sound wave which is of the lowest frequency.
- Purple
- Blue
- Red
- Yellow
Hint:
Purple has the highest frequency.
The correct answer is: Red
- The total number of waves produced in one second is called the frequency of the wave.
- Red has the minimum frequency.
- Purple has maximum frequency
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