Answer :
The rate of oxygen generation at 10000 Lux would be 1 mg/l/min, and at 20000 Lux, it would be 2 mg/l/min.
In this scenario, where oxygen generation is assumed to be proportional to light intensity, we can calculate the rate of oxygen generation at 10000 or 20000 Lux by using the given rate at 5000 Lux as a reference.
Since oxygen generation is directly proportional to light intensity, if the light intensity doubles from 5000 to 10000 Lux, the rate of oxygen generation will also double. Therefore, the rate at 10000 Lux would be 1 mg/l/min.
Similarly, if the light intensity increases to 20000 Lux, which is four times the initial value, the rate of oxygen generation would also quadruple. Therefore, the rate at 20000 Lux would be 2 mg/l/min.
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