SEM - 3rd Chem

Which is NOT a product of SEM?

• X-rays

• Backscattered Electrons

• Secondary Electrons

• Protons

What are the applications of SEM?

• SEM provides morphological information about a wide variety of solid surfaces

• SEM images can be produced in extremely high resolution.

• SEM can be applied to varying fields (i.e. botany, biology, medical field, etc)

• All of these answers are correct

Which is used in SEM?

• Electron beams

• Magnetic field

• Light waves

• Electron beams and magnetic field

The photograph which is taken from a microscope is known as

• Macrograph

• Monograph

• Micrograph

• Pictograph

In SEM, light source is replaced by a beam of very fast moving

• Proton

• Photon

• Electron

• Neutron

Electron Microscope can give a magnification up to

• 400,000X

• 100,000X

• 15,000X

• 100X

A SEM uses ------- to produce an image

• Negatively charged particles

• Positively charged particles

• Neutral particles

• Atoms

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