Physics And Measurement Question 61

Question: The equation of state of some gases can be expressed as (P+aV2)(Vb)=RT . Here P is the pressure, V is the volume, T is the absolute temperature and a,b,R are constants. The dimensions of a are

[CBSE PMT 1991, 96; NCERT 1984; AFMC 1995]

Options:

A) ML5T2

B) ML1T2

C) M0L3T0

D) M0L6T0

Show Answer

Answer:

Correct Answer: A

Solution:

By principle of dimensional homogenity [aV2]=[P]
[a]=[P] [V2]=[ML1T2] ×[L6] = [ML5T2]



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