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The work function of caesium metal is 2.04 eV and a graph between the variation of photoelectric…
The work function of caesium metal is 2.04 eV and a graph between the variation of photoelectric current with a collector plate potential of caesium, for incident radiation is given below. If the frequency of the incident radiation is doubled, which of the following combinations is correct?
- (a)Work function: 2.04 eV, Stopping potential: -0.6 V
- (b)Work function: 4.08 eV, Stopping potential: -0.6 V
- (c)Work function: 4.08 eV, Stopping potential: -3.24 V
- (d)Work function: 2.04 eV, Stopping potential: -3.24 V
Answer
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From ISC 2025 Practice Physics, question 21.