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RAY OPTICS AND OPTICAL INSTRUMENTS — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsRAY OPTICS AND OPTICAL INSTRUMENTS2 Marks
Question
Explain ray of light and beam of light.
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Answer

→A light wave can be considered to travel from one point to another, along a straight line joining them. This path is called a ray of light. A bundle of such rays constitutes a beam of light.

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