Question

Distance between two neutrons inside a nucleus is 0.5 fm ( femto-metre) . Express it in metre .​

Answer 1

Answer:

$0.5 \: \: fm \: = 5 \times {10}^{ - 1} \: fm \: = 5 \times {10}^{ - 1} \times {10}^{ - 15} \: m \\ = 5 \times {10}^{ - 16} \: m$