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CBT TEST

PHY 201 CBT PRACTICE TEST

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 CHM 203 exam

PS

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

Note

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

2 / 36

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

3 / 36

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

or equal to____________

4 / 36

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

5 / 36

5. 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_______________

6 / 36

6. Lorentz transformations are based on the principle of consistency of the velocity of
light.

7 / 36

7. 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

8 / 36

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

9 / 36

9. Lorentz transformation equations hold for

10 / 36

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

11 / 36

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

12 / 36

12. 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?

13 / 36

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

14 / 36

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

15 / 36

15. 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?

16 / 36

16. The property of magnetic field to converge electrons is used in microscopes as

___________

17 / 36

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

18 / 36

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

19 / 36

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

Their relative speed is___________

20 / 36

20. 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_____________

21 / 36

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

22 / 36

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

simultaneous for all other observers as well.

23 / 36

23. The Faraday’s law states about which type of EMF

24 / 36

24. The divergence of which quantity will be zero

25 / 36

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

26 / 36

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

27 / 36

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

28 / 36

28. 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__________

29 / 36

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

30 / 36

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

31 / 36

31. 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

32 / 36

32. Find the Maxwell law derived from Ampere law

33 / 36

33. Magnetic field can be produced by___________

34 / 36

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

35 / 36

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

36 / 36

36. Two particles approach each other with a velocity of 0.9c.What is their relative

velocity as observed by A

Your score is

The average score is 52%

0%

 

Phil

Phil aka Undergragra is a Computer Engineering Graduate at the Federal University Oye-Ekiti. He is a lover of God, a passionate teacher, writer and an educational consultant.
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