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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
What is meant by specific heat capacity?
(b) 2000 J of heat energy is required to raise the temperature of 4 kg of a
metal by 3°c. Which expression gives the specific heat capacity of the metal?
State, with reason, which of the two, boiling water or steam both at 100°C will produce more severe burns.
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?
Write the approximate values of the specific latent heat of vaporization of steam.
Write the name.
The amount of heat absorbed at constant temperature by unit mass of a liquid to convert into gaseous phase.
When a uniform rod is heated, which of the following quantity of the rod will increase
What is the amount of heat required to raise the temperature of 5 kg of iron from 30°C to 130°C? Specific heat capacity of iron = 483 Jkg-1C-1.
Give one example where high specific heat capacity of water is used as heat reservoir.
A 0.2 kg metal at 150°C is placed in a copper calorimeter (water equivalent 0.025 kg) with 150 cm³ water at 27°C. Final temperature is 40°C. Find the specific heat of the metal.
