CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon


Question

An astronaut is looking down on earth’s surface from a space shuttle at an altitude of 400 km. Assuming that the astronaut’s pupil diameter is 5 mm and the wavelength of visible light is 500 nm, the astronaut will be able to resolve linear objects of the size of about


  1. 5 m

  2. 50 m

  3. 500 m

  4. 0.5 m


Solution

The correct option is B

50 m


x=1.22λdD

=1.22×500×109×400×1035×103

=48.8m

flag
 Suggest corrections
thumbs-up
 
0 Upvotes


Similar questions
QuestionImage
QuestionImage
View More...


People also searched for
QuestionImage
QuestionImage
View More...



footer-image