Q74
A spherical naphthalene ball exposed to the atmosphere loses volume at a rate proportional to its instantaneous surface area due to evaporation. If the initial diameter of the ball is 2 cm and the diameter reduces to 1 cm after 3 months, the ball completely evaporates in
A.
6 months
AnswerB.
9 months
C.
12 months
D.
infinite time
Answer: Option A
Solution
Answer: Option A
No explanation is given for this question Let's Discuss on Board