You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Introduction

A vector P⃗...

Question

A vector $_{1}$ is along the positive $x -$ axis. If its vector product with another vector $_{2}$ is zero, the $_{2}$ could be-

- 4^i

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

(^i +^k)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

- (^i +^j)

No worries! We‘ve got your back. Try BYJU‘S free classes today!

4^j

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $- 4^i$
$\to P$ is along $X -$ axis
$\to P \times \to A = \to 0$
If $\to A = λ \to P$
$λ \neq 0$
$\to P = r^i$
$\to A = (λ r)^i$
$\to A = - 4^i$

Suggest Corrections

Similar questions

Q. A vector

{\to F}_{1}

acts along positive X – axis. If its vector product with another vector

{\to F}_{2}

is zero,

{\to F}_{2}

could be

Q. A vector

_{1}

is along

x

-axis. If its vector product with another vector

_{2}

is zero, then

_{2}

could be

Q. A unit vector parallel to the resultant of the vectors

\to A =^i + 4^j - 2^k

and

\to B = 3^i - 5^j +^k

Show that the four points A, B, C and D with position vectors $4^i + 5^j +^k, -^j -^k, 3^i + 9^j + 4^k$ and $4 (-^i +^j +^k)$ respectively are coplannar.

The scalar product of the vector $\to a =^i +^j +^k$ with a unit vector along the sum of vector $\to b = 2^i + 4^j + 5^k$ and $\to c = λ^i + 2^j + 3^k$ is equal to one. Find the value of $λ$ and hence find the unit vector along $\to b + \to c$ .

Q. A vector

{¯ F}_{1}

is along the positive x- axis. If its cross product with another vector

{¯ F}_{2}

is zero, then

{¯ F}_{2}

could be:

Join BYJU'S Learning Program

A vector →P1 is along the positive x− axis. If its vector product with another vector →P2 is zero, the →P2 could be-

The correct option is A −4^i→P is along X− axis→P×→A=→0If →A=λ→Pλ≠0→P=r^i→A=(λr)^i→A=−4^i

A vector $_{1}$ is along the positive $x -$ axis. If its vector product with another vector $_{2}$ is zero, the $_{2}$ could be-

The correct option is A $- 4^i$
$\to P$ is along $X -$ axis
$\to P \times \to A = \to 0$
If $\to A = λ \to P$
$λ \neq 0$
$\to P = r^i$
$\to A = (λ r)^i$
$\to A = - 4^i$