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I am having problems thinking about Huygens construction when a wave front hits a surface and am looking for an intuitive / easy to understand answers of the following points consider the diagram bellow: enter image description here

  1. Do the wavelets created at a surface form a completely new wave.

  2. When do we draw new wavelets i.e. the once created at the left hand side of this diagram wherewere created before those on the right handhand; side surlysurely the wavelets all have to be created at the same time for the process to be valid.

  3. In this diagram and in others I have seen have several wavelets created at a single yellow point, following Huygens construction should these wavelets not be created on the circumference of the old one or are they representing the same wavelet at different times?

(A list of rules that we follow when a wave front hits a surfaces with Huygens construction would also be helpful) thanks.

I am having problems thinking about Huygens construction when a wave front hits a surface and am looking for an intuitive / easy to understand answers of the following points consider the diagram bellow: enter image description here

  1. Do the wavelets created at a surface form a completely new wave.

  2. When do we draw new wavelets i.e. the once created at the left hand side of this diagram where created before those on the right hand side surly the wavelets all have to be created at the same time for the process to be valid.

  3. In this diagram and in others I have seen have several wavelets created at a single yellow point, following Huygens construction should these wavelets not be created on the circumference of the old one or are they representing the same wavelet at different times?

(A list of rules that we follow when a wave front hits a surfaces with Huygens construction would also be helpful) thanks.

I am having problems thinking about Huygens construction when a wave front hits a surface and am looking for an intuitive / easy to understand answers of the following points consider the diagram bellow: enter image description here

  1. Do the wavelets created at a surface form a completely new wave.

  2. When do we draw new wavelets i.e. the once created at the left hand side of this diagram were created before those on the right hand; side surely the wavelets all have to be created at the same time for the process to be valid.

  3. In this diagram and in others I have seen have several wavelets created at a single yellow point, following Huygens construction should these wavelets not be created on the circumference of the old one or are they representing the same wavelet at different times?

(A list of rules that we follow when a wave front hits a surfaces with Huygens construction would also be helpful) thanks.

1
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Intuitive explanation of Huygens construction?

I am having problems thinking about Huygens construction when a wave front hits a surface and am looking for an intuitive / easy to understand answers of the following points consider the diagram bellow: enter image description here

  1. Do the wavelets created at a surface form a completely new wave.

  2. When do we draw new wavelets i.e. the once created at the left hand side of this diagram where created before those on the right hand side surly the wavelets all have to be created at the same time for the process to be valid.

  3. In this diagram and in others I have seen have several wavelets created at a single yellow point, following Huygens construction should these wavelets not be created on the circumference of the old one or are they representing the same wavelet at different times?

(A list of rules that we follow when a wave front hits a surfaces with Huygens construction would also be helpful) thanks.