Need 2 example of rectilinear propagation in daily life

2 examples I can give you of rectilinear propagation of light are-
1)  Rays coming from sun which we almost see everyday
2)When we switch bulbs or tube light we see light coming from it.
I
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Tyndall Effect and Formation of Rainbow
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We can see the light of an object through a straight pipe. If we bend it, the we wouldn't be able to see the light
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1.     Sun rays
2.     The light of candle through a pipe 
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Pinhole c amera
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