GENERAL HISTOLOGY

INTRODUCTION

MICROSCOPE PARTS MAGNIFICATION RESOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of microscope uses a magnification limit of about 1, 000x?
A
transmission electron microscope
B
scanning electron microscope
C
light microscope
D
dissecting microscope
Explanation: 

Detailed explanation-1: -Typically, a compound microscope is used for viewing samples at high magnification (40-1000x), which is achieved by the combined effect of two sets of lenses: the ocular lens (in the eyepiece) and the objective lenses (close to the sample).

Detailed explanation-2: -That is why, the electron microscope has a much more higher resolution and can achieve a much higher magnification ( up to 1 000 000 x ) .

Detailed explanation-3: -Optical microscopy is used for the inspection at magnifications of up to 1, 000 times microstructures. Electron microscopy with magnifications of up to 500, 000 times is typically used for failure analysis in R&D labs and in educational institutions.

Detailed explanation-4: -A scanning transmission electron microscope has achieved better than 50 pm resolution in annular dark-field imaging mode and magnifications of up to about 10, 000, 000× whereas most light microscopes are limited by diffraction to about 200 nm resolution and useful magnifications below 2000×.

Detailed explanation-5: -A compound microscope is a light microscope that uses more than one lens to enlarge images up to 1, 500 times their original size. An electron microscope can magnify an image up to 100, 000 times or more.

There is 1 question to complete.