Physics · Heat and Temperature
While teaching the correct method of reading a clinical thermometer to class VIII students, a teacher mentions the following precautions. Which of the following precautions has been wrongly stated?
- 1The thermometer should be washed with hot water before and after use.✓
- 2Do not hold the thermometer by the bulb while taking the reading.
- 3Ensure that before use, the mercury level in the thermometer is below35°C.
- 4Read the thermometer keeping the level of mercury along the line of sight.
Correct answer
The thermometer should be washed with hot water before and after use.
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