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प्रश्न
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उत्तर
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संबंधित प्रश्न
State two uses of a bimetallic strip.
State one use of each of the following type of thermometer:
Six's maximum and minimum thermometer.
Convert the following temperature into Celsius scale:
95oF
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?
Analogy
Ice cube : 0o C :: Boiling water :______
The dimensions of a substance are increased if the temperature of the substance is decreased.
Assertion: Temperature is the measure of heat energy.
Reason: Energy is the capacity to do work.
What will be the final temperature if 1,68,000 J of heat is absorbed by 2 kg of water at 30°C?
