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प्रश्न
Why are hollow bricks used in the construction of cold storage rooms?
एक पंक्ति में उत्तर
उत्तर
Brick is a bad conductor of heat, hence bricks greatly reduce the conduction of heat from outside to the room. In order to ensure better insulation, bricks are made hollow so that air-filled between these gaps provides insulation to heat.
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संबंधित प्रश्न
Write S.I. unit of temperature.
State the types of thermal expansion. What is the relation between α and γ?
Is conduction possible in gases?
Convert -15°C on the Fahrenheit scale.
Name two liquid thermometers that are commonly used.
State three models of transfer of heat.
Name the substance which is most non-conducting.
Is air a good conductor of heat?
Who am I?
Land and water get heated due to me.
Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal.
Reason (R): To convert a temperature on the Celsius scale we have to add 273 to the given temperature.
