The distance between the objective and eyepiece lenses in a microscope is 19 cm . the objective lens has a focal length of 5.5 mm. what eyepiece focal length will give the microscope an overall angular magnification of 200?

The focal length of eyepiece is 3.68 cm.

Explanation:

Given that,

Distance = 19 cm

Focal length = 5.5 mm

Magnification = 200

Object distance = -25 cm

We need to calculate the focal length

Using formula of magnification

Put the value into the formula

Hence, The focal length of eyepiece is 3.68 cm.

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