Test:241 QNo:4

JEE Mains 2015 Guidance › Disucss Test Questions questions › Test:241 QNo:4

A cubical block is floating inside a bath. The temperature of system is increased by small temperature Î”T. It was found that the depth of submerged portion of cube does not change. Find the relation between coefficient of linear expansion (Î±) of the cube and volume expansion of liquid (Î³).

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2 Answers

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cute_cat ·2010-05-03 04:18:53

mg=Ï1V1g=Ï1lA1g

Ï1lA1g=Ï2lA2g (A is the bottom area of the cube)
Ï1A1=Ï2A2

Ï1/Ï2=A2/A1=l22/l12
1+Î³Î”T=1+2Î±Î”T

plzz somebody explain the last part of this

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cute_cat ·2010-05-03 09:14:28

no1 discusses these test wale questions kya?

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Your Answer

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