Physics · Modern Physics
A metal surface with a work function of 1.13 eV is irradiated with light of wavelength 310 nm. The retarding potential required to stop the escape of photoelectrons is: [Take hc/e = 1240 × 10-9 SI units]
- 14.23 V
- 23.97 V
- 32.87 V✓
- 41.13 V
Correct answer
2.87 V
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