What are the precautions taken while conducting the experiment to prove sini/sinr=constant
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pin should be placed with gap of 5cm.
foot of pin should be observed with one eye only.
longer side should be used as retracting surface
foot of pin should be observed with one eye only.
longer side should be used as retracting surface
Answered by
1
Answer:
pin should be placed at 6 cm.
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