The state of stress at a point under plane stress condition is $\sigma_{x x}=40 \mathrm{MPa}, \sigma_{y y}=100 \mathrm{MPa} \text { and } \tau_{x y}=40 \mathrm{MPa} .$ The radius of the Mohr's circle representing the given state of stress in $M P a$ is

(A) 40

(B) 50

(C) 60

(D) 100

The state of stress at a point under plane stress condition is $\sigma_{x x}=40 \mathrm{MPa}, \sigma_{y y}=100 \mathrm{MPa} \text { and } \tau_{x y}=40 \mathrm{MPa} .$ The radius of the Mohr's circle representing the given state of stress in $M P a$ is

(A) 40

(B) 50

(C) 60

(D) 100

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