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Define 'magnification' of a microscope....

Define 'magnification' of a microscope.

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Magnification :
1. The optical increase in the size of an image is called magnification . It is calculated by the following formula
2. `"Magnification"=("size of image seen with the microscope")/("size of the image seen with normal eye")`
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Knowledge Check

  • Assertion : Magnification power of microscopes can be decreeased by increasing the focal length of the lens used. Reason : Due to constructional limitations , the focal length of lens cannot be decreased beyond certain unit.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    Assertion is true but reason is false.
    D
    Assertion is false but reason is true.

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