Question

92. With cold wind keeping the surface at-10°C, a layer of ice on a pond grows inthickness from 20 mm to 21 mm in 10 min.Later on with the surface at the sametemperature, it will grow from 40 mm to42 mm in approximately (in min.)1) 10 2)5 3) 20 4) 40​

Answer 1

Answer:

(4) 40 approximately with conformation