JEE Main 2014 — Mechanical Properties of Fluids Question with Solution
JEE Main 2014 (11 Apr Online)
Question
The average mass of rain drops is and their avarage terminal velocity is . Calculate the energy transferred by rain to each square metre of the surface at a place which receives of rain in a year.
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Total volume of rain drops, received in a year by area
As we know, density of water,
Therefore, mass of this volume of water
Average terminal velocity of rain drop (given)
Therefore, energy transferred by rain,
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This is a previous-year question from JEE Main 2014, covering the Mechanical Properties of Fluids chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.