Tell 2 Applications of rectilinear propagation of Light:
Any two of the four given on page no. 19 in our physics textbook.
What is a Pinhole Camera? On which principle does it works on?
A pinhole camera is a simple device used to take photographs of stationary objects. It works on the principle that light travels in straight lines.
Define Rectilinear propagation of light-:
The property of light which sates that light travels in straight lines as long as it is travelling in the same medium is called Rectilinear propagation of light
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