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Which pair of substances among the following would float in atumbler half filled with water?

(a)    Cotton thread, thermocol

(b)    Feather, plastic ball

(c)    Pin, oil drops

(d)    Rubber band, coin

Answers (1)

Feather and plastic ball will float on water since they are lighter than water.

Hence option (B) is correct. 

Posted by

Sumit Saini

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