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प्रश्न
Answer the following question.
Define the term "Intensity" in the photon picture of electromagnetic radiation.
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उत्तर
The intensity I, is defined as the total amount of energy falling on a given surface/Region per unit time 't' and per unit area 'A'.
If the total energy emitted = `nhv`
Then, `I = "nhv"/"At"`.
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