A light source is at a distance d from a photoelectric cell and then the number of…
Physics · NEET · NTA Exams — Dual Nature of Matter and Radiation
A light source is at a distance d from a photoelectric cell and then the number of photoelectrons emitted from the cell is n. If the distance of light source and cell is reduced to half, then the number of photoelectrons emitted will become :
- \(\frac{n}{2}\)
- 2n
- 4n
- n
Answer
(C) 4n
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