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प्रश्न
Give three reasons for the increase of green house gases.
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उत्तर
Three reasons for increase of greenhouse gases:
1. The burning of fuels, deforestation and industrial production
2. Increase of population.
3. Imbalance of carbon dioxide cycle
संबंधित प्रश्न
State the effect of enhancement of green house effect.
(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?
The farmers fill their fields with water in winter. Give reason.
Explain, why water is considered as best liquid for quenching thirst?
Ice-cream at 0°C feels colder than water at 0°C. Give reason for this observation.
The temperature of a lead piece of mass 400 g rises from 20°C to 50°C when 1560 J of heat is supplied to it. Calculate: Heat capacity of lead piece.
A vessel of negligible heat*capacity contains 40g of ice in it at 0°C, 8g of steam at 100°C is passed into the ice to melt it. Find the final temperature of the contents of the vessel.
(Specific latent heat of vaporization of steam = 2268 J/g, specific latent heat of fusion of ice = 336 J/f and specific heat capacity of water = 4.2 J/g°C)
Express the change in internal energy in terms of molar specific heat capacity.
Specific heat capacity of a substance X is 1900 Jkg-1°C-1 means ______.
