Name the radiation which can be detected by a thermophile.
A
infrared radiation
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B
ultraviolet radiation
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C
X-rays
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D
All of the above
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Solution
The correct option is B infrared radiation Infrared radiations can be detected by thermopile. Thermopiles are designed to measure temperature from a distance by detecting an object's infrared (IR) energy. Hence option 'A' is correct.