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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

12. The spiders and insects move and run about on the surface of water without sinking because

(a) Elastic membrane is formed on water due to property of surface tension

(b) Spiders and insects are lighter

(c) Spiders and insects swim on water

(d) Spider and insects experience upthrust

Ans. (a) Weight of spiders or insects can be balanced by vertical component of force due to surface tension.

5/5 - (1 vote)

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