3-1.Vectors
easy

બે સદિશો $ \overrightarrow A = 5\hat i + 5\hat j $ અને $ \overrightarrow B = 5\hat i - 5\hat j $ વચ્ચે ખૂણો ....... $^o$ હશે.

A

$0$

B

$45$

C

$90$

D

$180$

Solution

(c)$\vec A.\vec B = 0$  $\theta = 90^\circ $

Standard 11
Physics

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