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प्रश्न
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.
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उत्तर
Thermometer B will show a greater rise in temperature because hot air rises up or air on the top of the candle flame is getting heated by convection.
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संबंधित प्रश्न
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 |
A clinical thermometer is calibrated from to ______.
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.
Digital thermometers are mainly used to take body temperature.
What is the boiling point of mercury?
What is the freezing point of alcohol?
Mention the use of laboratory thermometers.
We are advised to avoid keeping the clinical thermometer in the sun or near a flame. Why?
Explain how do you determine the temperature of hot water using a laboratory thermometer?
