A candle of diameter d is floating on a liquid in a cylindrical container of diameter D (D >> d) as shown in figure. If it is burnin g at the rate of 2 cm/hour then the top of the candle will;(assume that density of wax is half the density of the liquid)
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a
remain at the same height
b
fall at the rate of 1 cm/hour
c
fall at the rate of 2 cm/hour
d
go up at the rate of 1 cm/hour
answer is B.
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Detailed Solution
l=2L-22=L-1Total top of the candle fall at the rate of 1cm/hour.