Physics XI Karachi Board [vectors] MCQS Online Test - 2Physics Aptitude Test. 21 Questions from Chapter 02 vectors.
Q1. Unit vector is used to specify
Q4. A vector having magnitude equal to given vector but in opposite direction is called
Q5. The magnitude of resultant of three components of a vector is 3. Its x-component is 2, y-components is 1 then its z-component will be
Q8. Two forces each of 10N magnitude acting on A body, if the forces are Inclined at 30° and 60° with x-axis, the x- component of their resultant is
Q9. If the vector A and B are of magnitude 4 and 3 cm making of 30° and 90° respectively with x-axis, their scalar product will be
Q14. If the dot product of two non-zero vectors A and B is zero their cross product will be magnitude.