Q. 64.3( 6 Votes )
Which pair of substance among the following would float in a tumbler half filled with water?
A. Cotton thread, Thermocol
B. Feather, Plastic ball
C. Pin, oil drops
D. Rubber band, coin
The substances which are lighter than water float on water. Among the given options, feather and plastic ball are much lighter than water. Hence, they both float on water.
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