Two parallel beams of positrons moving in the same direction will________?

Related Mcqs:

1. Two automobiles are 150 kilometers apart and traveling toward each other. One automobile is moving at 60km/h and the other is moving at 40km/h mph. In how many hours will they meet?

   A. 2.5 B. 2.0 C. 1.75 D. 1.5 E. 1.25 Submitted by: Mansoor Ul Haque...

2. When a particle of charge q and mass m enters into a uniform magnetic field B moving with a velocity v perpendicular to the direction for the field it describes a circular path of radius___________________?

   A. R=qB/mV B. R=mV/qB C. R=qmV/B D. R=qmB/V...

3. When an electron moving with a uniform speed in a vacuum enters a magnetic field in a direction perpendicular to the field the subsequent path of the electron is ___________________?

   A. a straight line parallel to the field B. a parabola in a plane perpendicular to the field C. a circle in a plane perpendicular to the field D. a straight line along its initial direction...

4. The direction of the linear velocity of a body moving in a circle is______________?

   A. along the axis of rotation B. along the tangent C. directed towards the centre D. directed away from the centre...

5. If east, west, north, south, up and down are representing the direction of unit vectors, then east x south has the direction along_____________?

   A. West B. North C. Down D. Up...

6. When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?

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

7. When the speed of a moving body is doubled then___________________?

   A. its K.E is doubled B. its acceleration is doubled C. its P.E is doubled D. its momentum is doubled...

8. A body of 2 kg is suspended from the ceiling of an elevator moving up with an acceleration g. Its apparent weight in the elevator will be______________?

   A. 9.8 N B. 19.6 N C. 129.4 N D. 39.2 N...

9. The acceleration of a projection on the diameter for a particle moving along a circle is_______________?

   A. w2x B. wx2 C. w2x D. wx2...

10. The projection of the particle moving in a circle with non-uniform speed executes ?

    A. S.H.M B. Vibratory motion C. Both B and D D. None S.H.M...