write two precautions to be taken while tracing the path of a Ray of light passing through a rectangular glass prism.
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1. The pins should be placed in
vertical position.
2. For the incident ray the handle of
incidence must lie between 30°
and 60°.
3. Glass slab should be clean and should be free of air bubble.
vertical position.
2. For the incident ray the handle of
incidence must lie between 30°
and 60°.
3. Glass slab should be clean and should be free of air bubble.
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