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Answer the Following Question. Define the Term "Intensity" in the Photon Picture of Electromagnetic Radiation. - Physics

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प्रश्न

Answer the following question.
Define the term "Intensity" in the photon picture of electromagnetic radiation.

टीपा लिहा

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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2018-2019 (March) 55/1/3

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