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State demerits of Huygens’ wave theory of light. |
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Answer» Demerits of Huygens’ wave theory of light: i. This theory could not explain rectilinear propagation of light. ii. It could not explain Compton effect, photoelectric effect, Raman effect etc. iii. It could not explain properly the propagation of light through vacuum. This is because ether has high elastic constant and zero density which gives contradictory results. iv. According to Huygens’ wave theory, luminiferous ether medium exists everywhere in the universe even in vacuum which is treated as material medium for propagation of light waves. However, Michelson’s and Morley’s theory disapproved the existence of ether medium. |
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