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  4. Earlier, we have studied that light is an electromagnetic wave but from our interactive notion, we realise that light travels in a straight line. Which of the given point justify both the contradictory facts?

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Q. Earlier, we have studied that light is an electromagnetic wave but from our interactive notion, we realise that light travels in a straight line. Which of the given point justify both the contradictory facts?

Ray Optics and Optical Instruments

Solution:

The wavelength of light is very small compared to the size of ordinary objects that we encounter commonly (generally of the order of a few centimetres or larger).