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प्रश्न
State three ways to minimize the global warming.
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उत्तर
The three ways to minimize global warming are:
(i) Reduction in the use of fossil fuels and adoption of technology based on renewable sources of energy.
(ii) Reduction in deforestation and increase in afforestation.
(iii) Fostering international co-operation to reduce greenhouse gas emission.
संबंधित प्रश्न
State two factors upon which the heat absorbed by a body depends
Discuss the role of high specific heat capacity of water with reference to climate in coastal areas.
What are other units of heat? Name and define them.
Why is specific heat capacity taken as a measure of thermal inertia?
Describe a method to determine the specific heat capacity of a solid (say, a piece of copper).
Decide the unit for specific heat capacity.
A metal ball of heat capacity 50J/°C loses 2000 J of heat. By how much will its temperature fall?
Find the odd one out:
A geyser heats water flowing at a rate of 2.0 kg per minute from 30°C to 70°C. If the geyser operates on a gas burner, the rate of combustion of fuel will be ______ g min-1.
[Heat of combustion = 8 × 103 Jg-1 Specific heat of water = 4.2 Jg-1°C-1]
Two blocks P and Q of different metals having their mass in the ratio 2 : 1 are given same amount of heat. Their temperature rises by same amount. Compare their specific heat capacities.
