87980
Then , according to the laws of classical optics , the microscope can only resolve the position of the electron up to an accuracy of When an observer perceives an image of the particle , it 's because the light rays strike the particle and bounce back through the microscope to their eye .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None