Why can sound waves be used to determine the temperature of a medium (such as water) more directly than light waves?

2 answers:

7 0

So far from a show called Brain games, they did an exprimen that has relation to your question. They had you close your eyes, and they poured in cold water and hot water for both. When they did both the hot water and cold water, (separately of course) you could tell the difference. The cold water had some what of a higher pitched sound, and the sound of the hot water was deeper.

WITCHER [35]3 years ago

6 0

Answer:

Because of the different wave speed from light and sound.

Explanation:

There is a major difference between the speed wave of light and sound, light travels at 186, 282 miles per second, and sound can travel at different speeds and its significantly slower so it is easier to measure it. Water become more dense when cold, and its density decreases as its temperature increases, so if you know the velocity on air of a certain sound, you can determine the temperature of the medium by studying the increase or decrease of the speed in that given medium.

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