NEET Physics Mathematical Tools Questions Solved


Two vectors P=2i^+bj^+2k^ and Q=i^+j^+k^ will be perpendicular if -

(A)  b=0

(B)  b=1

(C)  b=2

(D)  b=-4

Concept Videos :-

#25 | Vectors: Multiplication with Scalar
#26 | Vectors: Multiplication with Vector : Dot Product

Concept Questions :-

Scalar Product

(D)For P  Q  ,  Dot product  P.Q =0                      (2i^ +bj +2k^).  (i^ +j +k^) = 0                         2 +b +2 = 0                         b =-4

Difficulty Level:

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  • 7%
  • 77%
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