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WorksheetsReview of the Microscope
Total questions: 10
Worksheet time: 6mins
Which scientist first described protozoans under a microscope?
Fleming
Leeuwenhoek
Einstein
Belizario
The ability of the lens to clearly separate or distinguish two points of two lines individually in the image is referred as:
magnification
numerical aperture
resolving power
focal length
As the magnification of the of the objectives increases the numerical aperture ________________.
increases
decreases
no effect
undetermined
Which one shows the best resolving power?
a
b
c
none of the choices
Use of cedarwood oil ________ the refractive index.
increases
decreases
no effect
undertermined
Identify what is pointed?
objectives
rheostat
revolving nosepiece
iris diaphragm
Pointed part of the microscope is classified to be part of which system?
illuminating system
magnification system
mechanical system
optical systeme
What is the function of the pointed part?
allows movement of the mechanical stage
facilitates adjustment of the lamp's brightness
allows user to shift from one oculars to another
facilitates change in the objectives
This refers to quality of the objectives & eyepiece where practically no change in focus has to be made when objective is substituted for another.
(a)
This is the part of the microscope that allows users to adjust the brightness of the light source.
(a)
