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Standard XII

Physics

Ropes

A beaker is p...

Question

A beaker is partly filled with water, the beaker and the contents have a mass of $50 g m .$ A piece of wood having a volume of $5 c . c .$ is floated in the beaker. The density of wood is $0.8 g / c . c$ . The mass of the beaker and its contents is:

50 g

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54 g

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46 g

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56.25 g

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Solution

The correct option is B $54 g$
Weight of the wood $= 5 \times 0.8 = 4 g m$
$∴$ Total weight of beaker $= 50 + 4 = 54 g m$

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A beaker is partly filled with water, the beaker and the contents have a mass of 50gm. A piece of wood having a volume of 5c.c. is floated in the beaker. The density of wood is 0.8g/c.c. The mass of the beaker and its contents is:

The correct option is B 54gWeight of the wood =5×0.8=4 gm∴ Total weight of beaker =50+4=54 gm

A beaker is partly filled with water, the beaker and the contents have a mass of $50 g m .$ A piece of wood having a volume of $5 c . c .$ is floated in the beaker. The density of wood is $0.8 g / c . c$ . The mass of the beaker and its contents is:

The correct option is B $54 g$
Weight of the wood $= 5 \times 0.8 = 4 g m$
$∴$ Total weight of beaker $= 50 + 4 = 54 g m$