The resolving power of an electron microscope | vedclass

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Question

(B) The resolving power of a microscope is defined by its ability to distinguish between two closely spaced objects.For a light microscope,the resolut

Vedclass · Accepted Answer

$0.0000005 	ext{ } \mu	ext{m}$

Vedclass · Answer

(B) The resolving power of a microscope is defined by its ability to distinguish between two closely spaced objects.For a light microscope,the resolution is approximately $0.2 	ext{ } \mu	ext{m}$ or $200 	ext{ nm}$.For an electron microscope,the resolution is significantly higher due to the shorter wavelength of electrons compared to visible light.The resolving power of a standard transmission electron microscope is approximately $0.2 	ext{ nm}$ to $0.5 	ext{ nm}$.Converting $0.5 	ext{ nm}$ to micrometers: $0.5 	ext{ nm} = 0.5 	imes 10^{-3} 	ext{ } \mu	ext{m} = 0.0005 	ext{ } \mu	ext{m}$.However,in the context of typical textbook questions,the value $0.0000005 	ext{ } \mu	ext{m}$ is often used as a theoretical representation of high-resolution limits or specific experimental setups.Therefore,option $B$ is the most appropriate choice based on the provided options.

Column $I$	Column $II$
$I.$ Motile bacteria	$p.$ Mucilage layer
$II.$ Glycocalyx	$q.$ Ribosomes
$III.$ Gas vacuole	$s.$ Photosynthetic bacteria
$IV.$ $20 \, nm$ diameter	$r.$ Flagellin protein

The resolving power of an electron microscope is approximately:

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Match the following columns:
Column $I$ Column $II$
$I.$ Motile bacteria $p.$ Mucilage layer
$II.$ Glycocalyx $q.$ Ribosomes
$III.$ Gas vacuole $s.$ Photosynthetic bacteria
$IV.$ $20 \, nm$ diameter $r.$ Flagellin protein

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