Spiders and insects move and run about on the surface of water without sinking because:
A
elastic membrane is formed on water due to propery of surface tension
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B
spiders and insect are lighter
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C
spiders and insects swim on water
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D
spiders and insects experience up-thrust
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Solution
The correct option is D elastic membrane is formed on water due to propery of surface tension
Spiders and insects move and run about on the surface of the water without sinking because, Weight of spiders or insects can be balanced by the vertical component of force due to surface tension.