Forsimilarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal

A

ratio ofinertial force to force due to viscosity

B

ratio of inertial force to force due to gravitation

C

ratio of inertial force to force due to surface tension

D

all the four ratios ofinertial force to force due to viscosity, gravitation, surface tension and elasticity