Physics, asked by RuchitNayak, 9 months ago

1
19. The modulus of the vector is product of two vector is 1÷3 times their scalar product. the angle between vector is:
(a) pie÷6
(b) pie÷2
(c) pie÷4
(d) pie÷3

Answers

Answered by tamannachoudhary872

0

Explanation:

Answer

Correct option is

C

3

π

According to the question,

∣

A

×

B

∣=

3

∣

A

.

B

∣

Expanding the vector and the dot products:

ABsinθ=

3

ABcosθ

⇒tanθ=

3

⇒θ=60

∘

=

3

π

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