Please undoubt the question . Image is attached.

Asked by hemaborate26 | 12th Jul, 2020, 08:18: PM

Expert Answer:

If we take ratio of P and P0 (i.e. Pressure) then we know, that
at2 is dimensionless quantity. 
Thus, 
a space equals 1 over t squared space equals space fraction numerator 1 over denominator open square brackets T squared close square brackets end fraction space
H e n c e comma space
t h e space a space h a s space d i m e n s i o n s space space open square brackets T to the power of negative 2 end exponent close square brackets 
Correct option (C) 

Answered by Shiwani Sawant | 13th Jul, 2020, 02:56: PM