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Why light travell in straight line?

Updated: 9/22/2023
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11y ago

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In the absence of external forces, there's nothing to cause it to bend.

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12y ago
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11y ago

It appears so because of its shortest wavelength. Actually light being a wave would bend at the sharp edges of the obstacles and this phenomenon is known as Diffraction.

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Q: Why light travell in straight line?
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