If gE and gM are the accelerations due to gravity on the surfaces of the earth and the moon respectively and if Millikan’s oil drop experiment could be performed on the two surfaces, then what would be the ratio 

Anonymous User Physics Nuclear physics 25 Apr, 2020 1 Answer 63 views

Two point white dots are 1 mm apart on a black paper. They are viewed by eye of pupil diameter 3 mm. Approximately, what is the maximum distance at which these dots can be resolved by the eye? [Note: wavelength of light = 500 nm]

Anonymous User Physics Wave Optics 24 Apr, 2020 1 Answer 64 views