K.C.S.E Physics Q & A - MODEL 2012PP2QN10
Figure 9, shows the cross-section of an optical fibre made of two types of glass A and B. The refractive index of B is lower than that of A.
A ray of light enters the optical fibre at P and emerges from Q.
(i) Sketch the path of the ray through the fibre.
(ii) State the reason why light travels through the fibre as in (i) above.
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FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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