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प्रश्न
Heat energy transfer from ______ to ______.
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उत्तर
Heat energy transfer from hotter object to colder object.
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संबंधित प्रश्न
In thermometer when bulb comes in contact with hot object, liquid inside it ______.
Mercury is often used in laboratory thermometers because it ______.
A clinical thermometer is not used to measure the temperature of air, why?
Why do we use Mercury in thermometers? Can water be used instead of mercury? What are the problems in using it?
Before use, the mercury level in clinical thermometer should be below ______.
Digital thermometers are mainly used to take body temperature.
What is the freezing point of alcohol?
write a note on a digital 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)
