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De Broglie's Hypothesis

An electron m...

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An electron microscope is operated at 40 kV. Theratio of resolving power of this microscope and acompound microscope which uses yellow light ofwavelength 6 x 10 m, is

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Q. An electron microscope is operated at

40 K v

. The ratio of resolving power of this microscope and another one which uses yellow light of wavelength

6 \times 10^{7}

Q. The resolving power of an electron microscope operated at 16 kV is R. The resolving power of the electron microscope when operated at 4 kV is

Q. In an electron microscope, electrons accelerated by a voltage of

50 kV

are used. In an optical microscope of the same aperture, yellow light of wavelength

5900 ˚ A

is used. The resolving power of the electron microscope will be

n

times higher than that of the optical microscope, where

n

is of the order of

Q. An electron microscope uses electrons accelerated by a voltage of 50 kV. Determine the de-Broglie wavelength associated with the electrons. Taking other factors, such as numerical aperture etc. to be same, how does the resolving power of an electron microscope compare with that of an optical microscope which uses yellow light?

(λ_{y} = 5.9 \times 10^{- 7} m)

An electron microscope uses electrons accelerated by a voltage of 50 kV. Determine the de-Broglie wavelength associated with the electrons. Taking other factors, such as numerical aperture etc. to be same, how does the resolving power of an electron microscope compare with what of an optical microscope which uses yellow light?

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