Questions
During severe winter in the low temperature zones of the world, the superficial parts of the lakes are frozen, leaving water below. The freezing at the bottom is prevented because:
a
the conductivity of ice is low
b
the water has large specific heat
c
the water has large latent heat of fusion
d
the temperature of the earth at the bottom of the lake is high
detailed solution
Correct option is A
Based on the conductivity ice is a bad conductor of heat. Anamolous expansion of water is also the reason for this.Talk to our academic expert!
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Water can be heated in a cup of paper because:
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