Question

What are the precautions of refraction and reflection

Answer 1

Answer:

2) Make sure the glass slab or prism taken are polished and not broken . 3) Make sure to look at the image through the proper eye level through the glass slab or prism. 4) Sharp lines need to be drawn so that proper result can be observed . 5) Angle of incident ideally should be 45 degrees for better outcome .

Answer 2

Answer:

two precautions of refraction and reflection