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संबंधित प्रश्न
How is the size of a degree defined on a Celsius scale ?
Convert – 40°F to the Celsius scale.
A given mass of water is cooled from 10°C to 0°C. State the volume changes you will observe. Represent these changes on a temperature-volume graph.
Explain the following
Water pipes in colder countries often burst in winter.
Define temperature on a conventional basis.
Explain, why are the taps left dripping in sub-zero temperatures during winter?
Why do telephone wires sag during summer?
State the advantages and disadvantages of mercury and alcohol as thermometric liquids.
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: When water is heated up to 100°C, there is no raise in temperature until all water gets converted into water vapour.
Reason: Boiling point of water is 10°C.
