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

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70 – 100 A

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50 – 59 C

45 – 49 D

40 – 44 E

0 – 39 F

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PHY 201

 

1 / 36

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

simultaneous for all other observers as well.

2 / 36

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

3 / 36

3. 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

4 / 36

4. 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__________

5 / 36

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

6 / 36

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

7 / 36

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

or equal to____________

8 / 36

8. 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?

9 / 36

9. 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_______________

10 / 36

10. Magnetic field can be produced by___________

11 / 36

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

12 / 36

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

velocity as observed by A

13 / 36

13. 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

14 / 36

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

15 / 36

15. The divergence of which quantity will be zero

16 / 36

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

17 / 36

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

___________

18 / 36

18. Lorentz transformation equations hold for

19 / 36

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

20 / 36

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

21 / 36

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

22 / 36

22. 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_____________

23 / 36

23. 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?

24 / 36

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

25 / 36

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

26 / 36

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

27 / 36

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

28 / 36

28. Find the Maxwell law derived from Ampere law

29 / 36

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

30 / 36

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

31 / 36

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

32 / 36

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

33 / 36

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

34 / 36

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

35 / 36

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

Their relative speed is___________

36 / 36

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

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