Question

A cabe breaks if strethced by more than `2mm`. It is cut into two equal parts. By how much eitther part can be streched without breaking
A. 0.25 cm
B. 0.5 mm
C. 1 mm
D. 2 mm

Answer 1

Correct Answer - C
`l prop L `
` (l_(1))/(l)=((L)/(2))/(L)=(1)/(2)`
` l_(1)=(l)/(2)=(2)/(2) = 1 mm. `