Physics
Grade-8
Easy
Question
Speed of light ____ speed of sound.
- >
- <
- =
- Any of the above
Hint:
The speed of light will be greater than the speed of sound.
The correct answer is: >
- Light travels faster than sound in any media.
- The speed of light and sound depends on the density of the media.
- The speed of light will be always greater than that of sound.
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1 kHz = ____Hz.
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