Question #50696
4.
a) Discuss Rayleigh’s criterion for resolving power of an optical instrument. Obtain an
expression for the resolving power of a microscope.
b) A He-Ne laser emits a beam of diameter 2×10−3m and wavelength 630 nm. It is directed
towards an aeroplane flying at a height of 11 km. Calculate the diameter of the light patch
produced on the surface of the aeroplane.
a) Discuss Rayleigh’s criterion for resolving power of an optical instrument. Obtain an
expression for the resolving power of a microscope.
b) A He-Ne laser emits a beam of diameter 2×10−3m and wavelength 630 nm. It is directed
towards an aeroplane flying at a height of 11 km. Calculate the diameter of the light patch
produced on the surface of the aeroplane.
Expert's answer
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#340153 on Dec 2023
#340153 on Dec 2023
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