14. If either vector a = 0 or b = 0, then a.b = 0. But the converse need not be true. Justify your answer with an example. 14. If either vector a = 0 or b = 0 then a.b = 0. But the converse need not be true. Justify your answer with an example. November 5, 2021 Category: Chapter 10 - Vector Algebra , Maths , NCERT Exemplar Class 12 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related