Question
Biology Question on Cell: the unit of life
A student wishes to study the cell structure under a light microscope having 10X eyepiece and 45X objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution?
A
blue
B
green
C
yellow
D
red.
Answer
blue
Explanation
Solution
Resolution of microscope is inversely proportional to wavelength of light used. Out of four options given, blue light has minimum wavelength and hence maximum resolution.