Which of the following explains the concept of diffraction loss?

• A. Principle of Simultaneity
• B. Pascal‚Äö√Ñ√∂‚àö√ë‚àö¬•s Principle
• C. Fresnel zone
• D. Archimedes‚Äö√Ñ√∂‚àö√ë‚àö¬• Principle