Match Group with Group B: Group A Group BA: Biot number

Match Group with Group B:

Group A	Group B
A: Biot number	1: Ratio of buoyancy to viscous force
B: Grashoff number	2: Ratio of inertia force to viscous force
C: Prandtl number	3: Ratio of momentum to thermal diffusivities
D: Reynolds number	4: Ratio of internal thermal resistance to boundary layer thermal resistance

1. A - 4 , B - 1 , C - 3 , D - 2
2. A - 4 , B - 3 , C - 1 , D - 2
3. A - 3 , B - 2 , C - 1 , D - 4
4. A - 2 , B - 1 , C - 3 , D - 4