Electron microscope uses

A beam of electrons to create an image

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A beam of protons to create an image

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A beam of gamma rays to create an image

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None of the above

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Solution

The correct option is A A beam of electrons to create an image
In electron microscope, the image is formed with a beam of electrons ( instead of light) that can be made to travel in a wave like pattern when accelerated to high speed. As these waves are 1,00,000 times shorter than the waves of visible light, electron microscope has much high resolving power than light microscope.
So, the correct answer is 'A beam of electrons to create an image'

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