Question
66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length of the wire in metres will be:
Answer: Option A
- Let the length of the wire be h.
Radius = 1 mm = 1 cm. Then, 2 20
22 x 1 x 1 x h = 66. 7 20 20
h = 66 x 20 x 20 x 7 = 8400 cm = 84 m. 22
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- Let the length of the wire be h.
Radius = 1 mm = 1 cm. Then, 2 20
22 x 1 x 1 x h = 66. 7 20 20
h = 66 x 20 x 20 x 7 = 8400 cm = 84 m. 22
Was this answer helpful ?
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