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प्रश्न
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उत्तर
Two disadvantages of using mercury as a thermometric liquid:
(i) It does not have uniform expansion.
(ii) Mercury is less sensitive than alcohol as its coefficient of expansion is less than alcohol.
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संबंधित प्रश्न
A bridge is made from 20 m long iron rods. At temperature 18∘C, the distance between two rods in 0.4 cm. Up to what temperature will the bridge be in good shape?
Who am I?
I’m found in a thermometer, I measure your temperature.
A body radiates out 300 calories of heat energy. How much heat energy is radiated out by the body in joules?
What do you mean by linear expansion?
Who am I?
I connect places of equal temperature.
Numerical Problems.
An iron ball requires 1000 J of heat to raise its temperature by 20°C. Calculate the heat capacity of the ball.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
