Physics General Science Test Hard Mode

Sr. #	Questions	Answers Choice
1	The average binding energy of a nucleon inside an atomic nucleus is about	* 8 MeV* 8 eV 8 Joules 8 ergs
2	The de broglie wave corresponding to a particle of mass m and velocity v has a wavelength associated with it	h/mv hm v mh/v m/hv
3	The structure of solids is investigated by using	Cosmic Rays X-rays Intra red Radiation y-rays
4	The half life of a radio-isotope is 5 years The fraction of atoms decayed in this substance after 15 years will be	1 3/4 7/8 5/8
5	As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1 the kinetic energy K and potential energy U change as	K two-fold,U also two-fold K four-fold,U also four-fold K four-fold,U two-fold

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