Question

22) If vector P and Q are
perpendicular to each other then ...
a) P. Q = 0
b) PxQ = 0
c) P + Q = 0
O d) P - Q = 0​

Answer 1

Explanation:

Correct option is

B

sinθ

P

^

×

Q

^

Unit vector perpendicular to

P

and

Q

will be given as

∣

P

×

Q

∣

P

×

Q

=

PQsinθ

P

×

Q

=

sinθ

P

P

×

Q

Q

=

sinθ

P

^

×

Q

^