In desert, it is very hot at day and very cold at night, why ?
What is the meaning of specific heat capacity of substance is 800J/kg °C?
What do you mean by specific heat capacity of water is 4200 J/ kg degree Celsius?
What is absolute zero? or Explain the term absolute zero.
Given that the same amount of heat is applied to 10 kg water and mercury, whose temperature is high? why?
A metal chair is more colder than a wooden chair during winter, why ?
Three liquids A,B,C having an equal masses are kept in three different beakers of same shape and size and are exposed to sun light. After 10 minutes the increased temperature of each is given in table. Which liquid has highest specific capacity and which liquid cools faster, Why?
Liquid | Change in temperature |
A | 10°C |
B | 8°C |
C | 6°C |
Which metallic ball will penetrate into greatest depth if each with equal mass is kept on wax slab after heating 40°C ? Why ?
Metal | Specific heat capacity |
A | 140 |
B | 400 |
C | 90 |
If chilled coke and hot tea are kept together , tea cools down but coke gets warm why ?
On what factor does the quantity of heat energy lost or gained by a body depends.
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