66 cm3 of silver is drawn into a wire 1 mm in diameter. The length of the wire will be
We have to find out length of the wire:
Length = 
Diameter = 1mm (Given)
Therefore,
Radius = 0.05 cm
Length = 
= 8400 cm
= 84 m
Hence, option B is correct
25
66 cm3 of silver is drawn into a wire 1 mm in diameter. The length of the wire will be
We have to find out length of the wire:
Length =
Diameter = 1mm (Given)
Therefore,
Radius = 0.05 cm
Length =
= 8400 cm
= 84 m
Hence, option B is correct