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An object is seen through a simple micro...

An object is seen through a simple microscope of focal length 12 cm. Find the angular magnification produced if the image is formed at the near point of the eye which is 25 cm away from it.

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To solve the problem of finding the angular magnification produced by a simple microscope with a given focal length and the image formed at the near point of the eye, we can follow these steps: ### Step 1: Identify the Given Values - Focal length of the microscope lens (F) = 12 cm - Near point distance (D) = 25 cm ### Step 2: Use the Formula for Angular Magnification The formula for angular magnification (M) when the image is formed at the near point is given by: ...
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(a) An object is seen through a simple microscope of focal length 12cm . Find the angular magnification produced if the image is formed at the near point of the eye which is 25cm away from it. (b) A 10D lens is used as a magnifier. Where should the object be placed to obtain maximum angular magnification for a normal eye (near point = 25cm) ?

An object is seen thorugh a simple microscope of focal length 12 cm. Find the angular mgnification produced if the image is formed at the near point of the eye which is 25 cm away from it.

Knowledge Check

  • A compound microscope consists of an objective lens with focal length 1.0 cm and eye piece of the focal length 2.0 cm and a tube 20 cm from eye lens. Now final image is formed at the near point of eye, so find the magnifying power of microscope.

    A
    `300 cm`
    B
    `232 cm`
    C
    `290 cm`
    D
    `270 cm`

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