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प्रश्न
A radiation P is focused by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. The radiation P is ______.
विकल्प
Infrared radiation
Visible light
Ultra-violet radiation
X-rays
MCQ
रिक्त स्थान भरें
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उत्तर
A radiation P is focused by a proper device on the bulb of a thermometer. Mercury in the thermometer shows a rapid increase. The radiation P is Infrared radiation.
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