INTRODUCTION TO MICROSCOPY CELL BIOLOGY
MICROSCOPY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The oil immersion objective lens.
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The phase plate
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The condenser lens.
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The scanning objective lens.
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Detailed explanation-1: -All of the following are components of a bright-field compound microscope EXCEPT: Scanning objective lens.
Detailed explanation-2: -Answer: Electron gun is not a component of compound microscope.
Detailed explanation-3: -The condenser is used to focus light on the specimen through an opening in the stage. After passing through the specimen, the light is displayed to the eye with an apparent field that is much larger than the area illuminated.
Detailed explanation-4: -In the microscope, the light comes from a light source. The light source falls into the mirror with the help of a condenser . It moves in the upward direction, gets reflected, then falls on the specimen and from the specimen this passes upward in the objective lens.