1.

Extra nuclear inheritance is a consequence of presence of genes inA. BlueB. GreenC. YellowD. Red

Answer» Correct Answer - A
Resolving power or resolution is the ability ofthe lens to distinguish fine details and structure.Specifically, it refers to the ability of the lensei:, todistinguish between two points a specifieddistance apart. Resolving power depends on two factors :
(a) Wavelength of light used for illumination.
(b) Power of objective lenses.
Resolving power = `("Wavelength of light")/(2 xx NA)`
Since, the limit of resolving power of a microscope is fixed by the structure of light, the shortest wavelength of visible light will give the maximum resolution . Among yellow, green, red and blue light colour. Blue (500 nm) have shortest wavelength so, it will give best resolution.


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