Physics, asked by kowsisowmi2005, 10 months ago

pencil beam is allowed to fall along the principal axis of a

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Answered by ankita5786

2

Answer:

question seems incomplete

plz check

Answered by saswatkumarsingh123

1

Answer:

If Pencil beam is allowed to fall along the principal axis then it will reflect back in the same principal axis...

Hope it helps...✌️✌️

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