Which intraoral technique is based on the rule of isometry?a.Bisecting.Paralleling .Each of the following is a shadow casting principleEXCEPT one. Which one is the EXCEPTION?a.Object and image...

Which intraoral technique is based on the rule of isometry?a.Bisecting.Paralleling .Each of the following is a shadow casting principleEXCEPT one. Which one is the EXCEPTION?a.Object and image receptor should be perpendicular to each other.b.Object and image receptor should be as close as pos-sible to each other.c.Object should be as far as practical from the target(source of radiation).d.Radiation should strike the object and image recep-tor perpendicularly.