Physics
Name a simple application of the rectilinear propagation of light.
Light Energy
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Answer
Pin hole camera is a simple application of the rectilinear propagation of light.
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Related Questions
What do you mean by 'rectilinear propagation of light'?
In which of the following two arrangements (a) and (b) shown in figure below, you can see the light of the bulb? Explain your answer.

State two factors which affect the size of image formed in a pin hole camera.
Is the image obtained in a pin hole camera erect or inverted? Give reason for your answer.