Question

what is rectilinear motion of light?​

Answer 1

Answer:

Rectilinear propagation describes the tendency of electromagnetic waves (light) to travel in a straight line. Light does not deviate when travelling through a homogeneous medium, which has the same refractive index throughout; otherwise, light suffers refraction. Even though a wave front may be bent, (e.g. the waves created by a rock hitting a pond) the individual rays are moving in straight lines.

Explanation:

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Answer 2

• The tendency of electromagnetic waves (light) to propagate in a straight path is known as rectilinear propagation.
• When light travels through a homogeneous medium with the same refractive index all the way through, it does not deviate; otherwise, it refracts.
• Even though a wave front is curved (for example, when a boulder hits a pond), the individual rays travel in straight lines.

• If you want to discover what is meant by rectilinear light propagation, a simple example can help you comprehend the idea.

• To make this basic experiment a success, you will need the following items:

• A ten-inch flexible rubber straw or plastic tube

• A candle, lamp, or light bulb that has been ignited. For this experiment, any bright light source will suffice.