Q. Give reasons for the following: 1. Kink is present in a mercury thermometer. 2. A clinical thermometer should not be used to measure the temperature of hot milk. Q. On a cold winter day the temperature was 23 degree Fahrenheit. What would be this temperature in degree Celsius? Q. On the top of the mountain water boils at 95 degree Celsius. Express this temperature in degree Fahrenheit.
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Answer:
1. The kink present in mercury thermometers helps to prevent the falling of mercury present in the capillary tube into the bulb. It ensures that the user takes the correct reading of temperature.
2. We cannot use clinical thermometers to check the temperature of hot milk as the range in a clinical thermometer varies only between 35 degree celsius to 72 degree celsius .
3. -5 degree celsius.
4. 203 degree fahrenheit
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IT IS CLINICAL THERMOMETER
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