No, a laboratory thermometer is not suitable for measuring body temperature. It is designed for measuring temperatures in liquids and may not provide accurate readings for the human body, which requires specific thermometers.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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To measure temperature with a laboratory thermometer, ensure it is clean and dry. Immerse the bulb in the substance, wait for the reading to stabilize, and read the temperature at eye level for accuracy.
The liquid commonly used in clinical thermometers is mercury, known for its uniform expansion with temperature changes. However, due to safety concerns, many modern thermometers now use alcohol-based liquids, often colored for better visibility.
Laboratory thermometers typically use mercury as the liquid, appreciated for its wide temperature range and consistent thermal expansion. However, some modern versions use colored alcohol, providing safer alternatives while maintaining accuracy in temperature measurement.
An infrared thermometer consists of a lens to focus infrared radiation, a detector to convert it into an electrical signal, and a display screen to show the temperature reading. It often features a trigger for measurement activation.