Kinematics Question 68
Question: Assertion : A physical quantity cannot be called as a vector if it’s magnitude is zero. Reason : A vector has both, magnitude and direction.
Options:
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
Show Answer
Answer:
Correct Answer: E
Solution:
If a vector quantity has zero magnitude then it’s called a null vector.
That quantity may have some direction even if it’s magnitude is zero.
