A piece of wood is held under water. The upthrust on it will be:
A. Equal to the weight of the wood
B. Less than weight of the wood
C. More than weight of the wood
D. Zero
Answer: Option B
Solution (By Examveda Team)
Since wooden piece is to float on water, upthrust acting on it under water is greater than the weight of the wooden piece.This Question Belongs to General Knowledge >> Physics
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C. Refractive index
D. Stock value
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A. Collision between fast neutrons and nitrogen nuclei present in the atmosphere.
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D. Lightning discharge in atmosphere.
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B. Work done in lifting the stone is equal to rolling it.
C. Work done in both is same but the rate of doing work is less in rolling.
D. Work done in rolling a stone is less than in lifting it.
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A. Viscosity of ink
B. Capillary action phenomenon
C. Diffusion of ink through the blotting
D. Siphon action
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