PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Why do we use Mercury in thermometers? Can water be used instead of mercury? What are the problems in using it?
Why Mercury is used in Thermometer?
• At room temperature, Mercury is in state. Mercury remains in even when temperature changes in them.
• Mercury is which helps to measure the in temperature by measuring the expansion in .
• It has .
Can water be used instead of mercury?
• Water be used as a thermometric liquid, because it is not helpful to measure below and above .
• Water is . So it makes the reading of the scales of the thermometer .
• Due to this constraints it is as a thermometric liquid.
2. The body temperature of Srinath is \(99\ °F\). Is he suffering from fever?
If so, why?
If so, why?
Srinath a fever because the normal body temperature is .
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