The magnitude of i^. (j^ x k^) is________________?

Related Mcqs:

1. The resultant of two forces of equal magnitudes is also equal to the magnitude of the forces. The angle between the two forces is________________?

   A. 30°
   B. 60°
   C. 90°
   D. 120°

2. The magnitude of the cross product is equal to the dot product between them. The angle between the two vectors is________________?

   A. 30°
   B. 45°
   C. 60°
   D. 180°

3. An object travels at constant speed around a circle of radius 1.0 m in 2.0 seconds. What is the magnitude of its acceleration?

   A. 0
   B. π²
   C. 2 π²
   D. 4 π²

   Submitted by: Tauseef Ali

4. A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2

   A. 22N
   B. 16N
   C. 20N
   D. 4N

   Submitted by: Huzaifa Naseer

5. For what value of “a” , the magnitude of a vector A= 2i^+j^+ak^ should be 3?

   A. -2
   B. 2
   C. 4
   D. Both A & B

   Submitted by: Zahid Jagirani

6. Which of the following can not be the resultant of two vectors having magnitude 10N and 15N?

   A. 18N
   B. 22N
   C. 25N
   D. 30N

   Submitted by: Zahid Jagirani

7. What is the minimum number of unequal magnitude vectors required to get a null vector?

   A. Zero
   B. Two
   C. Three
   D. None

   Submitted by: Zahid Jagirani

8. Velocity of fluid increases where the pressure is________________?

   A. Low
   B. High
   C. Constant
   D. Changes continuously

9. An observer shoots parallel to a meter stick at very high (relativistic) speed and finds that the length of meter stick is________________?

   A. greater than one meter
   B. less than one meter
   C. one meter
   D. a foolish question

10. A photon is________________?

    A. A unit of energy
    B. A positively charged particle
    C. A quantum of electromagnetic radiation
    D. A unit of wavelength