Energy Threshold | MCQs

    Q1: The photoelectric effect occurs at energies?

    فوٹو الیکٹرک اثر توانائیوں پر ہوتا ہے؟
    • A. Any energy level
    • B. Less than 0.5 MeV
    • C. Exactly 0.5 MeV
    • D. More than 0.5 MeV
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0
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