Question

please answer it fast and detailed with example​

Answer 1

Answer:

The rectilinear propagation of light means that light travels in straight lines as a wave. ... In a pinhole camera, the light rays reflecting from the bottom of the object travel in a straight line through the pinhole to the film.

Answer 2

Answer:

The rectilinear propagation of light means that light travels in straight lines as a wave.

(or)

Rectilinear Propagation of Light is the tendency of light to travel in straight Lines.

(or)

In a homogeneous transparent medium light travels in a straight line and this is known as rectilinear propagation of light.

Examples:-

Sun rays entering a dark room through a small opening appear to travel in a straight line. Light from torch, headlights of cars, etc. appears to travel in a straight line. Light from a projector travels in a straight line in the form of light rays towards the screen.

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