1. MATTER IN OUR SURROUNDINGS
easy

$273\, K$ पर बर्फ़ को ठंडा करने पर तथा जल को इसी तापमान पर ठंडा करने पर शीतलता का प्रभाव अधिक क्यों होता है ?

Option A
Option B
Option C
Option D

Solution

Ice at $273\,K$ has less energy than water (although both at the same temperature). Water is having additional latent heat of fusion, hence at $273\, K$ ice is more effective cooling than water.

Standard 9
Science

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