1.

We wish to see inside an atom. Assuming the atom to have a diameter of 100 pm, this means that one must be able to resolved a width of say 10 p.m. If an electron microscope is used, the minimum electron energy required is about  [AIIMS 2004]

A. 1.5 KeV 
B. 15 KeV
C. \[\frac{bc}{a}\]
D. 1.5 KeV
Answer» C. \[\frac{bc}{a}\]


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