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Light travels in straight lines In which of the... - WAEC Physics 1995 Question

Light travels in straight lines. In which of the following is this principle manifested? I. Pinhole camera II Formation of shadows III. Diffraction of light IV. Occurrence of eclipse
A
I and III only
B
II and III only
C
I, II and III only
D
I, II and IV only
correct option: e
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