A) 100
B) 200
C) 300
D) 400
Correct Answer: C
Solution :
On using \[\pi {{r}^{2}}/2\] where P = radiation power \[0.50\pm 0.05cm\]\[0.50\pm 0.10cm\] Hence, number of photons entering per sec the\[5.00\pm 0.05cm\]You need to login to perform this action.
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