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C alcute no of photos emitted per minute by a 600 wait bilb which is 80%pificited 4 emitted light of wevelenth 248m

Calcute  no of photos emitted per minute by a
600 wait bilb which is 80%pificited 4 emitted light of wevelenth 248m

Grade:11

1 Answers

Eshan
askIITians Faculty 2095 Points
5 years ago
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