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प्रश्न
Explain the following:
Conduction is not possible in vacuum.
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उत्तर
Conduction is not possible in Vacuum because process of conduction require a material medium for transfer of heat.
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संबंधित प्रश्न
Fill in the blank
The temperature of a normal human body is ________.
State the three units of temperature.
What must be the temperature in Fahrenheit so that it will be twice its value in Celsius?
Define temperature on a conventional basis.
What causes a change in the temperature of a body?
What is evaporation? Why does it cause cooling?
The following figure shows a rectangular box with two tubes P and Q at the top. A burning candle R is placed under the tube P. The candle burns brightly.
Explain:
(i) How is the air in the box circulating?
(ii) What will happen if the opening Q is closed?
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.
Mention the three units which are used to measure the temperature.
