In the nuclear fusion reaction,

 given that the repulsive potential energy between the two nuclei is ~ 7.7 × 10-14 J, the temperature at which the gases must be heated to initiate the reaction is nearly

Note: Boltzmann's constant k = 1.38 × 10-23 J/K

Anonymous User Physics Atomic Physics 26 Apr, 2020 1 Answer 54 views

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 53 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 58 views