1.describe how the condenser and diaphragm should be adjusted for optimum viewing of specimen using the oil immersion lens?
2. in order to make specimens easier to see, why don't microscope makers use 100x ocular lenses?
Ans 1) Function of
It is needed for collection and focusing the light on the specimen. It is situated under the specimen and above the source of light.
Condensor is kept at highest point for optimum viewing of specimen using oil immersion lens.
Its function is to control the amount of light that reaches to the specimen. It is situated over the condensor and moreover , diaphragm not stopped down too much in the oil immersion lens for viewing the specimen.
Diaphragm range is based on that how much light is required.
Ans 2) In order to make specimen easier to see
, the microscope makers does not use 100x ocular lenses because it
makes almost impossible to find the specimen into the focus.
It also makes the specimen larger and it would become difficult to see the specimen as whole.
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