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प्रश्न
Mercury is often used in laboratory thermometers because it ______.
पर्याय
is a harmless liquid
is silvery in colour and is attractive in appearance
Expands uniformly
is a low cost liquid
उत्तर
Mercury is often used in laboratory thermometers because it Expands uniformly
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संबंधित प्रश्न
Describe a clinical thermometer. How does it differ from the thermometer used in laboratory?
The common laboratory thermometer is a ______ thermometer
A clinical thermometer is not used to measure the temperature of air, why?
Digital thermometer is widely used for the measurement of the temperature due to ______.
All clinical thermometers have a ______ that prevents mercury from flowing back into the bulb.
Mention any two precautions to be followed while using a clinical thermometer.
Explain the construction and working of the clinical thermometer.
write a note on a digital thermometer.
Four arrangements to measure the temperature of the ice in a beaker with a laboratory thermometer are shown in Figure 4.2 (a, b, c and d). Which one of them shows the correct arrangement for accurate measurement of temperature?
Why is it advised not to hold the thermometer by its bulb while reading it?
