Question

A student wishes to study the cell structure under a light microscope having 10X
eyepiece and45X
objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution [CBSE PMT 2005]
A) Blue
B) Green
C) Yellow
D) Red

Answer 1

A student wishes to study the cell structure under a light microscope having 10X
eyepiece and45X
objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution
B) Green

Answer 2

Answer:

Blue Light

Explanation:

• Resolution of microscope is inversely proportional to wavelength of light used.
• Out of the four options given, Blue light has minimum wavelength and hence maximum resolution.