Correct answer
C. Decibel = 20 log10 (AR)
Explanation
The correct answer is Decibel = 20 log10 (AR).
The kinetic energy of gas molecule is zero at________?
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at ________?
At 60° C, vapour pressure of methanol and water are 84.562 kPa and 19.953 kPa respectively. An aqueous solution of methanol at 60° C exerts a pressure of 39.223 kPa; the liquid phase and vapour phase mole fractions of methanol are 0.1686 and 0.5714 respectively. Activity co-efficient of methanol is________?
In actual operation of distillation column, the vapour is not distributed uniformly among the bubble caps, primarily because of the________?
Platinum resistance thermometer is the international standard for temperature measurement between ________?
Which of the following rock favors petroleum formation?