Correct answer
B. (Dp/6) (ε/1- ε)
Explanation
The correct answer is (Dp/6) (ε/1- ε).
Lithophane is ________?
The rate of a homogeneous reaction is a function of________?
Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10-3 T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to – 100°C is ________?
N. second/m2 is________?
Which of the following is universally employed as the low expansion metal in the bimetallic thermometer, which is an iron-nickel alloy containing 36% nickel and has very low co-efficient of expansion (1/20th of ordinary metals)?
Artificial draught produced by a fan can be controlled by the________?