Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousMedium2 minQB

PhysicsMediumnumerical

A thin wire has length 35.6 cm and radius 0.68 mm. Calculate the volume of the wire in ${cm}^{3}$ , to correct significant figures.

Answer:

0.52

Solution:

$V = π {(0.068)}^{2} (35.6) = 0.5172 {c m}^{3}$

The radius has two significant figures.

$V = 0.52 {c m}^{3}$

Subject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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