The rotational K.E of the hoop is equal to the______________?

Related Mcqs:

1. A hoop and disc have same mass and radius. Their rotational K.E are related by an equation______________?

   A. K.E hoop = K.E disc
   B. K.E hoop = 2K.E disc
   C. K.E hoop = 1/2K.E disc
   D. K.E hoop = 4K.E disc

2. Maximum frequency in the spectrum from X-ray tube is directly proportional to the______________?

   A. Number of incident electron i.e. filament current
   B. The kinetic energy of the incident electron i.e. the potential difference through which they are accelerated
   C. The soft target which can easily emit electrons
   D. All of above are correct

3. 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°

4. One radian is equal to______________?

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

5. The co efficient of linear expansion is equal to__________?

   A. ΔL = αLΔT
   B. ΔL/LΔT
   C. LΔT/ΔL
   D. αLΔT-ΔL

   Submitted by: Mahrukh

6. Time rate of change of momentum is equal to____________________?

   A. force
   B. impulse
   C. velocity
   D. both A and C

7. The average power and instantaneous power become equal if work is done at __________________?

   A. any rate
   B. at variable rate
   C. at uniform rate
   D. at high rate

8. The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to_______________?

   A. 0°
   B. 45°
   C. 90°
   D. 180°

9. A Circle has a number of tangents equal to _________?

   A. 0
   B. 1
   C. 2
   D. Infinite

   Submitted by: Aushique Ali

10. When average and instantaneous velocities become equal then body possess_______?

    A. Uniform Velocity
    B. Variable Velocity
    C. Uniform Acceleration
    D. Variable Acceleration

    Submitted by: Zahid Jagirani