Why does a piece of cork float on water?

Question 1 Report

Why does a piece of cork float on water?

there is no upthrust on it when completely immersed in water

the upthrust on it when completely immersed in water is greater than its weight in air

the upthrust on it when completely immersed in water is less than its weight in air

its specific gravity is greater than that of water

its specific gravity is the same as that of water

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