AIIMS2007Physics-Mechanics
AIIMS 2007 Physics Free Fall MCQ Question
Type: MCQ-numerical-Easy-Class 11
If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbines, is (Take g = 9.8 m/s²)
A
9.8 m/s
B
19.6 m/s
C
39.2 m/s
D
98.0 m/s
Correct Answer
Option B
Detailed Explanation
Surface tension, S = work done / increase in area
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