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Question
Heat energy transfer from ______ to ______.
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Solution
Heat energy transfer from hotter object to colder object.
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RELATED QUESTIONS
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 do not use ______.
Before use, the mercury level in clinical thermometer should be below ______.
Digital thermometers are mainly used to take body temperature.
Match the following :
| 1. | Mercury | a. | Maximum minimum thermometer |
| 2. | Weather report | b. | -173.15 degree C |
| 3. | 32degree F | c. | Opaque and shining |
| 4. | 100 K | d. | 0 degree C |
Mention any two precautions to be followed while using a clinical thermometer.
Why mercury or alcohol is used in thermometers?
A laboratory thermometer A is kept 7 cm away on the side of the flame while a similar thermometer B is kept 7 cm above the flame of a candle as shown in the following figure.
Which of the thermometers, A or B, will show a greater rise in temperature? Give reason for your answer.
Why is it advised not to hold the thermometer by its bulb while reading it?
