Electromagnetic Spectrum | MCQs

    Q1: Which one has the longest wavelength?

    سب سے لمبی طول موج کس کی ہے؟
    • A. None of these
    • B. Blue
    • C. Red
    • D. Yellow
✅ Correct: 0 | ❌ Wrong: 0 | 📊 Total Attempted: 0