question_answer 40)

                  With increase in temperature, the viscosity of                 (a) glass decreases          (b) liquids increases                 (c) gases increases          (d) liquids decreases                

Answer:

                  (c, d) \[\eta \,\alpha \,\,\frac{1}{\sqrt{T}}\] for liquids and \[\eta \,\alpha \,\,\sqrt{T}\] for gasses.