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प्रश्न
What do you understand by thermal equilibrium?
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उत्तर
Thermal equilibrium exists when two objects in thermal contact no longer affect each other’s temperature (or) Both the objects are in the same temperature they are in thermal equilibrium.
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संबंधित प्रश्न
Name two substances which expand on heating.
State the volume changes that you will observe when a given mass of water is heated from 0°C to 10°C. Sketch a temperature-volume graph to show the behaviour.
Explain the following
Water pipes in colder countries often burst in winter.
Define heat energy on a conventional basis.
State one use of each of the following type of thermometer:
Clinical thermometer
Convert the following temperature into Celsius scale:
95oF
A spiral cut from a thick chart paper is pivoted at 0 and is held slightly above a burning candle You will notice that the spiral starts moving. Explain.
The dimensions of a substance are increased if the temperature of the substance is decreased.
Consider the statement given below and choose the correct option.
Assertion: A system can be converted from one state to another state.
Reason: It takes place when the temperature of the system is constant.
