The electric field in a region of space is $\;\overrightarrow{E}=5 \hat{i} +3 \hat {j}\;.$ The flux of $\;\overrightarrow{E}\;$ due to this field through an area $\;1 m^2\;$ lying in x - z plane is

Question

$(a)\;5\qquad(b)\;10\qquad(c)\;3\qquad(d)\;3 \sqrt{34}$