Start Free Mock LoginAlready registered? Login here

Physics - Vectors Question with Solution | TestHub

PhysicsVectorsMultiplication of vectorsMedium2 minPYQ_2018

PhysicsMediumsingle choice

Assertion : If dot product and cross product of $P$ and $Q$ are zero, it implies that one of the vector $P$ and $Q$ must be null vector. Reason : A null vector is a vector of zero magnitude.

Options:

Answer:

Solution:

As per question, $∣ A \cdot B ∣ = ∣ A \times B ∣ = 0$ This is possible if either $A = 0$ or $B = 0$ . Magnitude of a null vector is zero.

Stream:AIIMSSubject:PhysicsTopic:VectorsSubtopic:Multiplication of vectors

⏱ 2mℹ️ Source: PYQ_2018

Doubts & Discussion

Loading discussions...