Answer:
Option C
Explanation:
According to first law of thermodynamics
ΔU = q + W = q -pΔV
In isochoric process (ΔV=0)
Δ U=q
In isobaric process (Δ p= 0)
Δ U=q
In adiabatic process (q=0)
Δ U=W
In isothermal process (Δ T= 0) and Δ U=0
$\therefore$ Δ U is equal to adiabatic process
