It is easier to turn a steering wheel with both hands than with a single hand because______________?

Related Mcqs:

1. 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

2. We prefer mercury as a thermometric substance because______________?

   A. Over a wide range of temperature its expansion is uniform
   B. It does not stick to thermometer glass
   C. It opaque to light
   D. All of above

3. When a wheel 1 m in diameter makes 30 rev min the linear speed of the point on its rim in ms-1 is_______________?

   A. 2π
   B. π/2
   C. π
   D. 20π

4. If a wheel of radius r turns through an angle of 30° then the distance through which any point on its rim moves is______________?

   A. π /3 x r
   B. π/6 x r
   C. V/30 x r
   D. π / 180 x r

5. When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to__________________?

   A. Centripetal force
   B. Gravitational force
   C. Their inertia
   D. Centrifugal force

6. The angular speed of seconds hand of a watch in rads-1 is______________?

   A. π
   B. π/2
   C. π/30
   D. π/180

7. In obtaining an X-ray photograph of our hand we use the principle of______________?

   A. photo electric effect
   B. ionization
   C. shadow photograph
   D. any of above

8. An alpha particle in a single encounter__________________?

   A. Loses a small fraction of its energy
   B. Losses most of its energy
   C. Loses no energy at all
   D. Loses all of its energy

9. If a convex lens of large aperture fails to converge the light rays incident on it to a single point, it is said to suffer from______________?

   A. chromatic aberration
   B. spherical aberration
   C. both spherical and chromatic
   D. distortion

10. Which one is a unit vector ?

    A. ??3 i^ + ??3 j^ + ??3 k^
    B. 1/??3 i^ + 1/??3 j^ +1/ ??3 k^
    C. ??3 / 3 i^ + ??3 / 3 j^ + ??3 / 3 k^
    D. Both B and C are correct