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Q.

A wire with a diameter of 1mm is formed from 88 cm3 of silver. The wire's length will be (in cm).

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a

11200 cm

b

20480 cm

c

22400 cm

d

5600 cm

answer is A.

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Detailed Solution

Given, the diameter of the wire = 1 mm.

The volume of silver = 88 cm3.

Diameter=1mm=110cm.

Radius=Diameter2=120cm.

The volume of silver is converted into wire.

The volume of silver=πr2h.

88=227×120×120×h

h=88×7×20×2022

=11200 cm

Therefore, the length of the wire is 11200 cm.

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