M3 Electrical Fundamentals Sub-Module No 1 (Quiz No:1)

 

 

Electron Theory

Quiz

 

1. It is made matter in a given up of electrons, protons, and neutrons?
   1.   Molecule
   2.   Matter
   3.   Atom
2. The amount of object?
   1.   Density
   2.   Mass
   3.   Viscosity
3. A substance that cannot be reduced to a simpler form by chemical means?
   1.   Compound
   2.   Molecule
   3.   Element
4. Dislodging an electron from an atom will cause the atom to become ?
   1.   Negetively charged
   2.   Neutral
   3.   Positively charged
5. An atom that has gained an extra number of electrons is negatively charged and is called?
   1.   Cation
   2.   An anion
   3.   Ionization
6. The smallest particle of matter that can exist and still retain its identity, is called a?
   1.   Compound
   2.   Molecule
   3.   Element
7. The innermost shell of an atom is the ……. energy level?
   1.   Greatest
   2.   Equal
   3.   Lowest
8. The electrons contained in the outermost shell are called ?
   1.   Valence electrons
   2.   Positively electrons
   3.   Negatively electrons
9. Elements such as gold, copper and silver possess many free electrons and make good?
   1.   Insulators
   2.   Conductors
   3.   Semi conductors
10. Silicon and germanium are the most widely used?
    1.   Semi insulator materials
    2.   Semi conductor materials
    3.   Insulator

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M2 Physics Sub-Module No 5(Quiz No:1)

Wave Motion and Sound

Quiz

 

1. The term “pitch” is used to describe ?
   1.   The frequency of current
   2.   The frequency of a wave
   3.   The frequency of a sound
2. A faint whisper would have an intensity of ?
   1.   40 dB
   2.   60 dB
   3.   20 dB
3. Sound travels through matter in the form of ?
   1.   transverse wave motions
   2.   longitudinal wave motions
   3.   standing wave motions
4. Turbojet engine at takeoff at 150ft have an intensity of ?
   1.   130 db
   2.   500 db
   3.   1000 db
5. A mathematical curve that describes a smooth periodic oscillation ?
   1.   sine wave
   2.   transverse waves
   3.   longitudinal waves
6. Water waves are known as ?
   1.   transverse waves
   2.   standing waves
   3.   longitudinal waves
7. Who many fundamental types of waves ?
   1.   three
   2.   two
   3.   five
8. The speed of sound in aluminum at 20°c is ?
   1.   16,700 fps
   2.   16,000 mps
   3.   12,700 km/m
9. A pneumatic drill have an intensity of ?
   1.   180 dB
   2.   1800 dB
   3.   80 dB
10. Sound wave intensity is proportional to the ?
    1.   Square of the velocity variation
    2.   Square of the pressure variation
    3.   The pressure variation

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M2 Physics Sub-Module No 4(Quiz No:1)

Optics (Light)

Quiz

 

1. Convex mirrors are bulging _____?
   1.   Flat
   2.   Inwards
   3.   Outwards
2. Fiber optic data link is the name given to the system of components that use __________for the transmission of data ?
   1.   Optical fibers
   2.   Vinyal fibers
   3.   Electrical cables
3. A splice loss of optical clarity under _________ is typical ?
   1.   2 db
   2.   0.1 Db
   3.   0.5 Db
4. Optical loss increases greatly if the fiber is bent to a radius smaller than _________ ?
   1.   Around 30 inches
   2.   Around 30 cm
   3.   Around 30 mm
5. A _______ lens spreads out light rays from a distant object?
   1.   Flat
   2.   Convex
   3.   Concave
6. It is a law of reflection that the angle of incidence is equal to the _________?
   1.   Angle of rafraction
   2.   Angle of reflection
   3.   Angle of incident
7. Mostly curved mirrors are ___________?
   1.   Spherical
   2.   Flat
   3.   Oval
8. In rafraction when light enters a slower medium at an angle, its frequency _________?
   1.   Reduced
   2.   Increased
   3.   Remains the same
9. The refractive index of light through glass is _______?
   1.   4.55
   2.   1.6
   3.   5.55
10. Mirror-like reflection is called _________ ?
    1.   Specular radiation
    2.   Specular reflection
    3.   Specular rafraction

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