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प्रश्न
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उत्तर
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संबंधित प्रश्न
Convert 40°C to the (a) Fahrenheit scale (b) Kelvin Scale.
Is it correct to say that heat is the cause of temperature?
Define coefficient of linear expansion. Write its SI unit.
Is conduction possible in gases?
What is the unit of coefficient of volume expansion?
What is the relation between α and γ?
Give a scientific reason for the following:
It is better to use thin blankets to keep the body warm rather than using a single blanket of thickness equal to their combined thickness.
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?
Numerical Problems.
An iron ball requires 1000 J of heat to raise its temperature by 20°C. Calculate the heat capacity of the ball.
