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Q. We feel cool when we sit near the fan, this is because
A fan produces a feeling of comfort because our perspiration or sweating evaporates rapidly. Our body tries to cool ourselves by releasing sweat through pores of our skin. And when we sit under the fan, the sweat of our body evaporates due to directed air upon us making our body cool.
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Q. Which type of mirror is used in the head lights of vehicles ?
Q. Sound waves do not show the phenomenon of
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Q. Which of the following instrument is used to measure Soil Water Tension?
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