a triangular prism is able to produce a spectrum when white light passes through it. but rectangular slab does not produce spectrum why?
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Heya,
A triangular prism is able to produce a spectrum when white light passes through it but rectangular slab does not produce spectrum bcz when the light passes through the prism it gets dispersed but this process does not happen in the glass slab.
And the surface of the glass slab is parallel but the surface of the prism is not parallel.
So, this are the reasons for ur doubt.
Hope this helps...:)
A triangular prism is able to produce a spectrum when white light passes through it but rectangular slab does not produce spectrum bcz when the light passes through the prism it gets dispersed but this process does not happen in the glass slab.
And the surface of the glass slab is parallel but the surface of the prism is not parallel.
So, this are the reasons for ur doubt.
Hope this helps...:)
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