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WHAT IS DIFFRACTION AND WHY IT IS OCCUR IN NARROW SINGLE SLIT

WHAT IS DIFFRACTION AND WHY IT IS OCCUR IN NARROW SINGLE SLIT

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1 Answers

Rahul Kumar
131 Points
9 years ago

Diffraction refers to various phenomena which occur when a wave encounters an obstacle. Italian scientist Francesco Maria Grimaldi coined the word diffraction and was the first to record accurate observations of the phenomenon in 1665. In classical physics, the diffraction phenomenon is described as the apparent bending of waves around small obstacles and the spreading out of waves past small openings. Similar effects occur when light waves travel through a medium with a varying refractive index or a sound wave through one with varying acoustic impedance. Diffraction occurs with all waves, including sound waves, water waves, and electromagnetic waves such as visible light, x-rays and radio waves. As physical objects have wave-like properties (at the atomic level), diffraction also occurs with matter and can be studied according to the principles of quantum mechanics.

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