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प्रश्न
Heat energy transfer from ______ to ______.
उत्तर
Heat energy transfer from hotter object to colder object.
APPEARS IN
संबंधित प्रश्न
A thermometer is used to measure ______.
The common laboratory thermometer is a ______ thermometer
Digital thermometers do not use ______.
Before use, the mercury level in clinical thermometer should be below ______.
Mercury is a poor conductor of heat.
Explains the properties of mercury.
Explain the construction and working of the clinical thermometer.
Boojho has three thermometers as shown in Figure 4.1. He wants to measure the temperature of his body and that of boiling water. Which thermometer (s) should he choose?
You may have noticed that a few sharp jerks are given to a clinical thermometer before using it. Why is it done so?
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)
