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प्रश्न
A substance is in the form of a solid at 0°C. The amount of heat added to this substance and the temperature of the substance are plotted on the following graph:
If the specific heat capacity of the solid substance is 500 J/kg °G, find from the graph, the mass of the substance.
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उत्तर
From graph heat supplied is 800 joule during change in temperature from 0 to 80°C.
Heat = Mass × Sp. heat capacity × Rise in temperature
800 = m × 500 × 80
m = `1/50` kg
m = 20 g
संबंधित प्रश्न
A liquid X has the maximum specific heat capacity and is used as a coolant in Car Radiators. Name the liquid X.
Without green house effect, the average temperature of earth’s surface would have been:
(a) – 18℃
(b) 33℃
(c) 0℃
(d) 15℃
Name and state the principle used to measure the specific heat capacity of a substance.
Define the term 'specific heat capacity' and state its unit.
State the condition for the flow of heat energy from one body to another.
Name the substance which has maximum specific heat capacity.
Explain, why do sandy soils, get heated up quickly as compared to wet soils?
Why are athletes advised to put on extra clothes after competing on event?
Water has the lowest specific heat capacity.
