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Question
Mercury is often used in laboratory thermometers because it ______.
Options
is a harmless liquid
is silvery in colour and is attractive in appearance
Expands uniformly
is a low cost liquid
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Solution
Mercury is often used in laboratory thermometers because it Expands uniformly
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RELATED QUESTIONS
In thermometer when bulb comes in contact with hot object, liquid inside it ______.
Match the following
| i. | Clinical thermometer | A form of energy |
| ii. | Normal temperature of human body | 100°C |
| iii. | Heat | 37°C |
| iv. | Boiling point of water | 0°C |
| v. | Melting point of water | Kink |
Why do we use Mercury in thermometers? Can water be used instead of mercury? What are the problems in using it?
Digital thermometers are mainly used to take body temperature.
What is the freezing point of alcohol?
Explains the properties of mercury.
Explain the construction and working of the clinical thermometer.
Write a note on the laboratory thermometer.
In a mercury thermometer, the level of mercury rises when its bulb comes in contact with a hot object. What is the reason for this rise in the level of mercury?
A solid metallic cube having a total surface area of 24 m2 is uniformly heated. If its temperature is increased by 10°C, calculate the increase in the volume of the cube.
(Given: α = 5.0 × 10-4°C-1)
