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Compare optical microscopy and standard scanning electron microscopy. -Describe 4 main advantages SEM can have over...

Compare optical microscopy and standard scanning electron microscopy.

-Describe 4 main advantages SEM can have over optical microscopy when applied to structural engineering materials, and also mention 2 advantages that optical microscopy may have.

- You want to investigate the fracture surface of a metallic alloy for structural applications. discuss the relative advantages and drawbacks of using SEM in BEI mode, SEM in SE mode and optical microscopy.

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