Why is ice at 273, K more effective in cooling than water at same temperature ?

English

Gujarati

Hindi

1. MATTER IN OUR SURROUNDINGS

easy

Why is ice at $273\, K$ more effective in cooling than water at the same temperature ?

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

Why does our palm feel cold when we put some acetone or petrol or perfume on it ?

medium

Which of the following are matter ?

Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.

easy

Give reasons for the following observation :

The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

medium

Tabulate the differences in the characteristics of states of matter.

medium

Convert the following temperatures to the Celsius scale.

$(a)$ $293 \,K $

$(b)$ $470 \,K$

easy

Why is ice at $273\, K$ more effective in cooling than water at the same temperature ?

Solution

Similar Questions

Why does our palm feel cold when we put some acetone or petrol or perfume on it ?

Which of the following are matter ? Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.

Give reasons for the following observation : The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

Tabulate the differences in the characteristics of states of matter.

Convert the following temperatures to the Celsius scale. $(a)$ $293 \,K $ $(b)$ $470 \,K$

Start a Free Trial Now

Which of the following are matter ?

Chair, air, love, smell, hate, almonds, thought, cold, lemon water, smell of perfume.

Give reasons for the following observation :

The smell of hot sizzling food reaches you several metres away, but to get the smell from cold food you have to go close.

Convert the following temperatures to the Celsius scale.

$(a)$ $293 \,K $

$(b)$ $470 \,K$