K.C.S.E Physics Q & A - MODEL 2009PP2QN19
Figure 12 shows a set up for observing interference of waves from two sources S1 and S2. The points C and D represent positions of the constructive and destructive interference respectively as observed on the screen
(a) If the observation was made in a ripple tank, describe:
(i) How the constructive and destructive interferences are identified
(b) Explain how the constructive interference C and the destructive interference D patterns are produced.
(i) The line joining all points where waves from S1 and S2 have traveled equal distance. Label it A
(ii) The line joining all points where waves from S2 have traveled one wavelength further than the waves from S1. Label it B.
FORM I - PHYSICS SYLLABUS
FORM II - PHYSICS SYLLABUS
FORM III - PHYSICS SYLLABUS
FORM IV - PHYSICS SYLLABUS
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