Question

Define the resolving power of an optical instrument. What is the value of limit of resolution for a normal eye?

Answer 1

Dear Student,

◆ Resolving power -

• Resolving power of an optical instrument is its ability to discriminate two closed placed objects.
• It is minimum distance between two objects to give their separate images by optical instrument.
• Value of limit of resolution of normal eye is 3.4×10^-4 rad which is equal to 1.2' of arc.

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