Derive the formula of heat. What is the S I unit as well as C. G. S unit of heat
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Heat is defined as the energy required to increase a temperature of a body from its normal state.
In thermodynamics, it is defined as the flow of energy from a hotter system to a cooler system.
Q = mC ∆T,
where ∆T = T₂ - T₁ = change in temperature
C = specific heat of the body
m = mass of the body
Or, Heat is the work done required to raise the temoerature of a body.
Q = FS, where F= force and S=displacement
In SI:
= Nm or Joule
In CGS:
= dyne cm or erg
The SI unit of heat is Joule and CGS unit of heat is erg.
Note: These units are written in derived forms which is standard of writing.
In thermodynamics, it is defined as the flow of energy from a hotter system to a cooler system.
Q = mC ∆T,
where ∆T = T₂ - T₁ = change in temperature
C = specific heat of the body
m = mass of the body
Or, Heat is the work done required to raise the temoerature of a body.
Q = FS, where F= force and S=displacement
In SI:
= Nm or Joule
In CGS:
= dyne cm or erg
The SI unit of heat is Joule and CGS unit of heat is erg.
Note: These units are written in derived forms which is standard of writing.
saina8:
Thank you so much
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