When is a masonry wall known as a shear wall ?-A-If the earthquake load is out of planeB-If the earthquake load is in planeC-If it is under reinforcedD-If it is placed as infill to the frame-B-If the earthquake load is in plane

B If the earthquake load is in plane In plane bending moment means the plate bends in its own plane such as a shear wall with horizontal and vertical forces which are applied to its plane and thus produce in plane bending moments.