Question

write two precautions to be taken while tracing the path of a Ray of Light passing through a rectangular glass prism.

Answer 1

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.

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Answer 2

rite two precautions to be taken while tracing the path of a ray of a light passing through a rectangular glass slab - Science - Light - Reflection and ... 2) Make sure the glass slab or prism taken are polished and not broken .