If two bodies at different temperatures are touched to each other, heat will continue to flow from hot body to cold body until they attain same temperature, called……
a) thermal conductance b) thermal stability
c) thermal equilibrium
d) thermal expansion
Which of the following cup of tea has more amount heat?
a) half cup
b) full cup
c) heat is independent of mass
d) same
Which of the following cup of tea has less amount heat?
a) half cup
b) full cup
c)heat is independent of mass
d) same
What is the SI unit of heat?
a) Kelvin
b) Celsius
c) Joule
d) Fahrenheit
Explanation:The SI unit of heat is also joules (J) which are defined as the amount of energy needed to raise the temperature of a given mass by one degree.
What is the SI unit of energy?
a) Newton
b) Celsius
c) Joule
d) watt
Thermal Expansion:
Thermal expansion is the tendency of matter to change its shape, area, volume, and density in response to a change in temperature.