PHY · PHY-2026-C11-042भौतिकशास्त्र (Physics)
For a metal of work function 6.6 eV, which of the following incident wavelengths does not give rise to the photoelectric effect? (Take Planck's constant as 6.6 × 10⁻³⁴ J s)
- A100 nm
- B150 nm
- C200 nm
- D50 nm
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