Teaching MPPSC Assistant Professor Mock Test Series 2025 Physical Sciences Mathematical Methods of Physics Vector Algebra and Vector Calculus
दो सदिश \(\rm \vec P = 2\widehat i + b\widehat j + 2\widehat k\) व \(\rm \vec Q = \widehat i + \widehat j + \widehat k\) तथा लम्बवत् होगें यदिः-
1
b = 0
2
b = 1
3
b = 2
4
b = – 4