1.

Which of the following represents volumetric strain?(a) -ΔV/V(b) ΔV/V(c) Pressure/Volume(d) -P / (ΔV/V)I got this question in an interview.The question is from Solids Mechanical Properties in portion Mechanical Properties of Solids of Physics – Class 11

Answer»

Right choice is (B) ΔV/V

To explain I WOULD SAY: The volumetric strain is defined as ratio of CHANGE in volume to original volume. It can be either positive or negative. The option -P / (ΔV/V) is the bulk modulus which is basically the ratio of volumetric stress to volumetric strain.



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