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संबंधित प्रश्न
Who is telling the truth?
Heat flows from an object at higher temperature to an object at lower temperature.
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.
Who am I?
I make things hot or cold.
Define one joule of heat.
What is a bimetallic strip?
Draw a neat and labeled diagram of a clinical thermometer
Give a scientific reason for the following:
Old quits are less warm than the new ones.
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 (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.
Match the following:
| Column-I | Column-II | |
| 1. | Temperature | Beam balance |
| 2. | Mass | Ruler |
| 3. | Length | Digital clock |
| 4. | Time | Thermometer |
