Who invented the "electron microscope'' [AFMC 2001; BVP 2002; Haryana PMT 2005]
A) Knoll and Ruska
B) Robert Brown
C) Correns
D) Janssen and Janssen
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ur answer is option A
max knoll and Ernst ruska construct a electron microscope in 1931
max knoll and Ernst ruska construct a electron microscope in 1931
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hiii,
the answer is option A
hope helps
the answer is option A
hope helps
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