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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
Mercury is often used in laboratory thermometers because 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 |
A clinical thermometer is not used to measure the temperature of air, why?
Why do we jerk a clinical thermometer before we measure the body temperature?
State the similarities and differences between the laboratory thermometer and the clinical thermometer
A clinical thermometer indicates temperatures from a minimum of ______ °F to a ______ maximum of °F.
What is the boiling point of mercury?
Mention any two precautions to be followed while using a clinical thermometer.
Explain how do you determine the temperature of hot water using a laboratory thermometer?
Boojho has three thermometers as shown in the following figure. He wants to measure the temperature of his body and that of boiling water. Which thermometer (s) should he choose?
