7 May 2013

Physics Karachi Board XI [Vectors] Online Test 1

Tuesday, May 07, 2013 Posted by

Physics XI Karachi Board [vectors] MCQS Online Test - 1

Physics Aptitude Test. 21 Questions from Chapter 02 Vectors.
Q1. A vector is a physical quantity which has
Q2. A rectangular component of, 5N force is, 4N. The other component is
Q3. A vector in space has
Q4. A vector in a plane has
Q5. The cross product i x j is equal to
Q6. The angle between the vector A= 2i + 3j + 6k B= 3i + 2j – 2k, is
Q7. A force F = 2i+3j units, has its point of application moved from the point (1,3) to the point (5,7). Work done is
Q8. All the following are scalars except:
Q9. When a vector is multiplied by a negative its direction
Q10. Position vector of point in xy-plan is given by
Q11. Two forces each of magnitude F act perpendicular to each other the angle made by the resultant force with the horizontal will be
Q12. The angle between two rectangular components of any vector in
Q13. A force of 5N is acting along Y-axis. Its components along x-axis is
Q14. If the resultant of two vectors each of magnitudes F, is also of magnitude F, the angle between them will be
Q15. A force vector F of magnitude 30N, making an angle of 60° with x-axis its x component will be
Q16. The resultant of two forces of 3N and 4N making and angle 90 with each other is
Q17. Two force act together on an object. The magnitude of their resultant is minimum when the angle between the forces is
Q18. If the resultant of two vectors each of magnitudes F, is twice of magnitude F, the angle between them will be
Q19. If A=3i+4j then magnitude will be
Q20. If two force each of magnitude 5N act along the same line on a body, then the magnitude of their resultant will be
Q21. All the following are vectors except:
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