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you are using a microscope with   an R value of 0.3 micrometer to view two cells...

you are using a microscope with   an R value of 0.3 micrometer to view two cells that are 400nm apart will they appear as one object or two objects?

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In this case, remember the R value represents the smallest resolvable distance between two objects under the microscope. If the true distance between two objects is lower than R, you will see both cells as one. If the true distance between two objects is higher than the R value, you will see both objects separate. In this context, 400 nm is a lower distance than 0.3 micrometer, so, you will observe both cells as one.

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