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

Optics (Light)

Quiz

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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