ECAT Physics Fluid Dynamics Online Test

ECAT Physics Fluid Dynamics Online Test

ECAT Physics Fluid Dynamics Chapter Online Test

Total Questions: 269
Time Allowed: 120 Minutes
Total Marks: 269
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Physics Fluid Dynamics Chapter Online Test

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Physics

1. Stoke’s law is applicable to

2. A particle of mass ‘m’ at rest is acted upon by a force ‘P’ for a time ‘t’. Its kinetic energy after an interval ‘t’ is

3. The decrease in potential energy of a ball of mass 20 kg which falls from a height 50 cm is:

4. Three vectors satisfy the relation A . B and A . C = 0, then A is parallel to

5. Stokes law is applicable if body has ___________ shape.

6. When the fluid is in-compressible, for which the density is

7. Equation of continuity is obtained by apply in law of conservation of

8. The terminal velocity of a small size spherical body of radius R moving in a fluid varies as

9. Which of the following is not the unit of energy?

10. Which of the following quantity is dimensionless?

11. Moment of inertia of an object does not depend upon

12. If we move from equator to pole, value of g

13. The blood pressure of the person

14. The terminal velocity of for a water droplet of radius 10¯⁵ m is of the order of

15. Which of these statements is not correct?

16. If momentum is increased by 20% then K.E. increases by

17. If a train traveling at 72 kmph is to be brought to rest in a distance of 200 meters, then its retardation should be

18. Which of the following sets of concurrent forces may be in equilibrium?

19. Two boats rowing close to one another tend to collide. This is due to the

20. If the water falls from a dam into a turbine wheel 19.6 m below, then the velocity of water at the turbine, is (Take g = 9.8 m/s²)

21. An aircraft is moving with a velocity of 300 ms¯¹. If all the forces acting on it are balanced, then

22. A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of particle. The motion of the particle takes place in a horizontal plane. It follows

23. Force of friction is present in

24. A body is subjected to a force such that its velocity is doubled, then

25. The unit of Planck’s constant h is same as that of


 

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