The dimensions of power are_______________?

Related Mcqs:

1. The dimensions of Gravitational Universal constant ‘G’ are______________?

   A. M-‘L2r2
   B. M-‘L3r2
   C. M-2L3T2
   D. M’L3T2

2. A quantity measured in the C.G.S system of units has dimensions M”2L3 T3/2. What numerical factor would be required to convert the quantity to SI units ?

   A. 1
   B. 100
   C. 1/100
   D. 1/10000

3. The dimensions of centrifugal force are__________________?

   A. M1 L2 T2
   B. M’L’T1
   C. M’L’T2
   D. M’L-‘T2

4. A quantity whose dimensions are M2L2 T3 could be the product of_________________?

   A. force and pressure
   B. mass and power
   C. energy and velocity
   D. force and velocity

5. If y is force and x is velocity, then dimensions of —=r are dx2__________________?

   A. M’^T’
   B. M’L-‘T0
   C. M’L-‘T1
   D. M2L’T3

6. Which of the following represents the state of neutral equilibrium ?

   A. a cube resting on one edge
   B. a smooth cylinder lying on a curved surface
   C. a smooth cylinder lying on a convex surface
   D. none of the above

7. A projectile has maximum range of 40 m on a horizontal plane. If angle of projection is a and the time of flight is 1 second, then sin a must be about__________________?

   A. 1/4
   B. 1/3
   C. 1/2
   D. 1/5

   Assume g = 10 m/sec2

8. Cartesian form of the equation of catenary is_________________?

   A. y = c cosh x/c
   B. y = c sinh x/c
   C. y = c tan x/c
   D. y = c sin”1 x/c

9. A shell of mass 100 kg travelling with a velocity of 10 m/sec breaks into two equal pieces during an explosion which provides an extra kinetic energy of 20000 Joules. If the pieces continue to move in the same direction as before, then the speed of the faster one must be____________________?

   A. 20 m/sec
   B. 30 m/sec
   C. 40 m/sec
   D. 50 m/sec

10. Instantaneous center is at infinity when the angular velocity is _________________?

    A. constant
    B. zero
    C. maximum
    D. minimum