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Calculate the coefficient of cubical expansion of a zinc bar. Whose volume is increased 0.25 m3 from 0.35 m3 due to the change in its temperature of 50 K.
 
From the data,
 
Volume of a zinc rod before expansion (V1) = 0.25 m3
 
Change of volume (ΔV) = 0.35 m3
 
Change in temperature (ΔT) = 50 K
 
The formula to calculate the change in volume,
 
Δi=γ×ii×iiii
 
Substitute the known values,
 
Coefficient of cubical expansion of zinc rod =  K1
(Note: Enter your answer with three decimal digits)
1