Questions
Two parallel pillars are 11 km away from an observer. The minimum distance between the pillars so that they can be seen separately will be
detailed solution
Correct option is A
As limit of resolution of eye is 160∘, the pillars will be seen distinctly if θ>160∘ i.e. 는 dx>160×π180 ⇒d>π×x60×180 ⇒d>3.14×11×10360×180⇒d>3.2mTalk to our academic expert!
Similar Questions
Astronauts look down on earth surface from a space ship parked at an altitude of 500 km. They can resolve objects on the earth of the size……. (It can be assumed that the pupils diameter is 5mm and wavelength of light is 500 nm)
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
