Physics · Dual Nature of Radiation and Matter
पोटेशियम का कार्य फलन (work function) 2.3 eV है और इसकी देहली तरंगदैर्ध्य (threshold wavelength) 540 nm है। एक अन्य धातु, जिसका कार्य फलन 4.6 eV है, की देहली तरंगदैर्ध्य होगी:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11080 nm
- 2540 nm
- 3270 nm✓
- 4135 nm
सही उत्तर देखें
270 nm
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