IGNOU MRWE 1 2026 - Explain the working of Atomic Force Microscopy (AFM) with su

Question

Explain the working of Atomic Force Microscopy (AFM) with suitable diagram. List out the advantages and Applications of AFM.

06 Mar 2026

Answer :

Word Count : 277

Atomic Force Microscopy (AFM) is a high-resolution scanning probe microscopy technique used to study surface morphology at nanoscale resolution, especially useful in nanotechnology applications in energy and environment research. AFM works on the principle of interatomic forces between a sharp probe tip and the sample surface. The system mainly consists of a cantilever with a very sharp tip, a laser light source, a photodetector, and a feedback control system. When the tip

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