(i) What is a wavefront? What is the direction of a beam of light with respect to the wavefront ....

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(i) What is a wavefront? What is the direction of a beam of light with respect to the wavefront associated with it?(ii) State Huygens' principle. Using it, explain the propagation of light. 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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