Question

20. While performing experiment to trace the ray of light through a triangular glass prism, a student is asked to draw the boundary of the prism on a paper. This is done to
A.) see whether the given prism is triangular or not.
B.) ensure that the prism is always kept within the boundary during experiment.
C.) check whether the edges of the prism are broken or not.
D.) make the diagram more clear.​

Answer 1

Answer:

B.ensure that the prism is always kept within the boundary during experiment.

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