Take your time to read instructions before taking this test.

There are 40 questions which you are to answer in 15 minutes that gives you roughly 30 seconds per question.

If you can get at least 60%, you can be rest assured that you’ll ace PHY 201 exam

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In a normal exam you will be asked between 40 – 60 questions but I only arranged 40 questions




Do not be in a hurry to answer the questions

Do not waste time on a question you don’t know

Move as fast as possible and starting with questions that don’t have calculation first to save time

Always crosscheck

Don’t be in a hurry to submit, you are not in a competition

Don’t be scared. Getting an A is easy

Don’t be over confident, you can end up a D, E or F. Calm your blood, no be only you sabi book

Please do well to use our comment box incase there’s a message you want to pass to us

70 – 100 A


60 – 69 B


50 – 59 C


45 – 49 D


40 – 44 E


0 – 39 F


I wish you success






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Created on By Ace/Undergragra

PHY 201


1 / 36

1. Which of the following is Einstein’s mass energy relation?

2 / 36

2. A point charge of 10X10-6C is at the centre of a cubical Gaussian surface of sides
0.5m. What is the flux for the surface?

4 / 36

4. For Pair Production phenomenon to occur the photon must have energy,greater than

or equal to____________

5 / 36

5. Magnetic field can be produced by___________

6 / 36

6. Find the charge density when the electric Flux density is given by 2xi+3yj+4zk

7 / 36

7. In an electromagnetic wave, the electric field of amplitude 6.2V/m oscillates with a
frequency of 2.4X10
10Hz. The Energy density of the wave is__________

8 / 36

8. Which of the following is the expression for the continuity equation?

9 / 36

9. In Lorentzian relativity, if two events are simultaneous for one observer, they will be

simultaneous for all other observers as well.

10 / 36

10. In the case v<<c, Lorentz transformation is the same as____________

11 / 36

11. In metals which of the following equation will hold good?

12 / 36

12. Find the Maxwell law derived from Ampere law

13 / 36

13. Two particles approach each other with a speed 0.8c with respect to the laboratory.

Their relative speed is___________

14 / 36

14. When a particle is moving with a velocity of v light c relative to S, its velocity as

observed by an observer in the frame S

’ is_____________

15 / 36

15. In vacuum or free space, what observations are made?

17 / 36

17. Which of the following is the expression for Lorentz force

18 / 36

18. Find the Flux enclosed of a material of Flux density 12 units in area of 80cm

19 / 36

19. Increase in all inputs by a certain percentage resulting in a relatively higher percentage increase in output is referred to as:

20 / 36

20. The divergence of which quantity will be zero

21 / 36

21. Einstein energy mass equivalence is application on all the following except

22 / 36

22. What would be the mass of the body at rest,i fit explodes into two objects of mass 2
kg each moving with a speed 0.8c relative to the original body

23 / 36

23. The charge build up in the capacitor is due to which quantity?

24 / 36

24. Find the electric Flux density of a material with charge density 16 units in unit volume

25 / 36

25. If the velocity of a charged particle in perpendicular electric and magnetic field is

7.27X10^6 m/s and the Electric field is 6X10^6 N/c,what should be the value of magnetic

field for velocity sector?

26 / 36

26. The entire theory of electromagnetic waves is contained in Maxwell’s equations.

28 / 36

28. A particle of mass ‘m0’ moves with speed 0.8c, where ‘c’ is the speed of light in

vacuum.The relativistic kinetic energy of the particle is nearly

29 / 36

29. The velocity of a charged particle to keep moving in the same direction, in a region

where electric and magnetic fields are perpendicular to each other ,is_______________

30 / 36

30. The output per unit of the variable factor employed is called

31 / 36

31. Lorentz transformation equations hold for

32 / 36

32. In which of the following form scan Maxwell’s equation not be represented?

33 / 36

33. Lorentz transformations are based on the principle of consistency of the velocity of

34 / 36

34. Which of the following laws do not form a Maxwell equation?

35 / 36

35. Differential form of Gauss’s law in magneto statics is_____________

36 / 36

36. The basic theorem/ principle used to obtain mass-energy relation is_____________

Your score is

The average score is 53%



Ace aka Undergragra is a Computer Engineering Student in the Federal University Oye-Ekiti. He is a passionate teacher,writer,educational consultant and educational informant.
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