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प्रश्न
What is meant by global warming?
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उत्तर
Global warming means the increase in the average effective temperature of Earth’s surface due to an increase in the amount of greenhouse gases in its atmosphere.
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संबंधित प्रश्न
Water in lakes and ponds do not freeze at once in cold countries. Give a reason is support of your answer.
The specific heat capacity of water is :
How does green house effect help in keeping the temperature of earth’s surface suitable for living of human beings?
Give three reasons for the increase of green house gases.
Who shall pay carbon tax ?
Solve the following problems:
Equal heat is given to two objects A and B of mass 1 g. Temperature of A increases by 3°C and B by 5°C. Which object has more specific heat? And by what factor?
What is the specific heat capacity of melting ice?
What change in heat energy occurs when lead at its melting point
solidifies without change in the temperature?
Specific heat capacity of a substance A is 3.8 J g-1 K-1 and of substance B is 0.4 J g-1 k-1. Which substance is a good conductor of heat? How did you arrive at your conclusion?
