Assertion: A vector must have magnitude and direction W. Reason: A physical quantity can not be ....

Channel:
Subscribers:
443,000
Published on ● Video Link: https://www.youtube.com/watch?v=ZLdxodd_jfE



Duration: 1:49
0 views
0


Assertion: A vector must have magnitude and
P
direction
W.
Reason: A physical quantity can not be called a vector if its magnitude is zero.
(1) Both assertion and reason are true and reason is the correct explanation of as Atrertion
(2) Both assertion and reason are true and reason is not the correct explanation of assertion
(3) Assertion is true but reason is false
(4) Both are false.


šŸ“²PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live




Other Videos By PW Solutions


2024-01-22In \( S=a+b t+c t^{2} . S \) is measured in metres and \( t \) in seconds. The unit of \( c \) i....
2024-01-22The unit of surface tension in SI system is....
2024-01-22If \( \vec{P}=2 \hat{i}+3 \hat{j}-2 \hat{k} \) and \( \vec{Q}=4 \hat{i}-2 \hat{j}+\hat{k} \) \be....
2024-01-22Match the following: \begin{tabular}{|l|l|l|l|} \hline & Column-I & & Column-II \\ \hline A & \b....
2024-01-22Temperature can be expressed as a derived quantity in terms of any of the following....
2024-01-22Which of the following is not equal to watt....
2024-01-22Match the following: \begin{tabular}{|l|l|l|l|} \hline & Column-I & & Column-II \\ \hline \( \ma....
2024-01-22Match the following: \begin{tabular}{|l|l|l|l|} \hline & Column-I & & Column-II \\ \hline A & \b....
2024-01-22Match the following: \begin{tabular}{|l|l|l|l|} \hline & Column-I & & Column-II \\ \hline A & Un....
2024-01-22Assertion: If the angle between two vectors is zero, then the component of one vector along the ....
2024-01-22Assertion: A vector must have magnitude and direction W. Reason: A physical quantity can not be ....
2024-01-22Assertion: Zero-vector has no direction. Reason: If \( \vec{a}+\vec{b}=\vec{a}-\vec{b} \), then ....
2024-01-22Area of the triangle whose base is given by \( \vec{A}=\hat{i}+\hat{j}+\hat{k} \) and one of the....
2024-01-22The area of parallelogram whose adjacent sides are \( (3 \hat{i}-\hat{j}+2 \hat{k}) \) and \( (\....
2024-01-22If two vectors have magnitudes are in the ratio \( 5: 8 \), their resultant has maximum and mini....
2024-01-22Assertion: Polygon law is valid only to determine sum of vectors lying in a plane. Reason: A pol....
2024-01-22If the dot product of two vectors is equal to the magnitude of the cross product of the same vec....
2024-01-22The cross product of the vectors \( (2 \hat{i}-3 \hat{j}+4 \hat{k}) \) and \( (\hat{i}+4 \hat{j}....
2024-01-22If \( \vec{P}=2 \hat{i}-3 \hat{j} \) and \( \vec{Q}=6 \hat{i}-9 \hat{j} \), which of the followi....
2024-01-22The resultant of two forces \( 2 P \) and \( \sqrt{2} P \) is \( \sqrt{10} P \). The angle betwe....
2024-01-22Given \( \vec{A}=2 \hat{i}+3 \hat{j}+\hat{k} \quad \) and \( \quad \vec{B}=a \hat{i}-6 \hat{j}-2....