I ^. (j^ x k^) is equal to______________?

Related Mcqs:

1. One radian is equal to______________?

   A. 67.3°
   B. 57.3°
   C. 87.3°
   D. 60°

2. 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°

3. Reflecting mirrors in laser is used to______________?

   A. Further stimulation
   B. Lasing more
   C. For producing more energetic lasers
   D. All

4. Normal human body temperature 98.6°F corresponds to______________?

   A. 37°C
   B. 42°C
   C. 55°C
   D. 410°C

5. The cross product i^ x j^ is equal to_______________?

   A. Zero
   B. One
   C. i^
   D. k^

6. 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°

7. Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

   A. 40 W
   B. 90W
   C. 100W
   D. 120W

8. One mega watt hour is equal to_________________?

   A. 36 x 106 J
   B. 36 x 1012 J
   C. 36 x 109 J
   D. 36 x 108 J

9. According to equation of continuity A1V1 = A2V2 = constant. The constant is equal to_______________?

   A. Flow rate
   B. Volume of fluid
   C. Mass of fluid
   D. The density of the fluid

10. Total distance travelled by a bob of the simple pendulum in one vibration is equal to________________?

    A. Amplitude
    B. Square of the amplitude
    C. 2 x amplitude
    D. 4 x amplitude