If P → × Q → = Q → × P → , the angle between P → and Q → is θ 0 ° θ 360 ° . The value of θ will be ___ ° .

Open MARKS Web Download App

Search any question & find its solution

Question: Answered & Verified by Expert

If

\vec{P} \times \vec{Q} = \vec{Q} \times \vec{P}

, the angle between

\vec{P}

and

\vec{Q}

is

θ (0 ° < θ < 360 °)

. The value of

θ

will be ___

°

.

PhysicsMathematics in PhysicsJEE MainJEE Main 2021 (25 Feb Shift 2)

Solution:

2086 Upvotes Verified Answer

The correct answer is: 180

$- P Q \sin θ$

$= P Q \sin θ$

$\Rightarrow θ = 180 °$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play