One-fourth of a sphere of radius R is removed as shown in Fig. An electric field E exists parallel to the xy plane. Find the flux through the curved part.

• A. \[\pi {{R}^{2}}E\]
• B. \[\sqrt{2}\pi {{R}^{2}}E\]
• C. \[\pi {{R}^{2}}E/\sqrt{2}\]
• D. None of these