Which of the following particles are constituents of the nucleus 

(1) Protons and electrons           

(2) Protons and neutrons

(3) Neutrons and electrons         

(4) Neutrons and positrons

Size of nucleus is of the order of

(1) ${10}^{-10}<mspace\; width="1em"></mspace>\mathrm{m}$            

(2) ${10}^{-15<mspace\; width="1em"></mspace>}\mathrm{m}$

(3) ${10}^{-12}<mspace\; width="1em"></mspace>\mathrm{m}$             

(4) ${10}^{-19}<mspace\; width="1em"></mspace>\mathrm{m}$

Nuclear binding energy is equivalent to 

(1) Mass of proton       

(2) Mass of neutron

(3) Mass of nucleus     

(4) Mass defect of nucleus

The order of the size of nucleus and Bohr radius of an atom respectively are 

(1) ${10}^{-14}<mspace\; width="1em"></mspace>\mathrm{m},<mspace\; width="1em"></mspace>{10}^{-10}<mspace\; width="1em"></mspace>\mathrm{m}$              

(2) ${10}^{-10}<mspace\; width="1em"></mspace>\mathrm{m},<mspace\; width="1em"></mspace>{10}^{-8<mspace\; width="1em"></mspace>}\mathrm{m}$ 

(3) ${10}^{-20}<mspace\; width="1em"></mspace>\mathrm{m},<mspace\; width="1em"></mspace>{10}^{-16<mspace\; width="1em"></mspace>}\mathrm{m}$               

(4) ${10}^{-8}<mspace\; width="1em"></mspace>\mathrm{m},<mspace\; width="1em"></mspace>{10}^{-6<mspace\; width="1em"></mspace>}\mathrm{m}$

For effective nuclear forces, the distance should be

(1) ${10}^{-10}<mspace\; width="1em"></mspace>\mathrm{m}$         

(2) ${10}^{-13}<mspace\; width="1em"></mspace>\mathrm{m}$

(3) ${10}^{-15}<mspace\; width="1em"></mspace>\mathrm{m}$         

(4) ${10}^{-20}<mspace\; width="1em"></mspace>\mathrm{m}$

If the binding energy of the deutrium is 2.23 MeV.
The mass defect given in a.m.u. is 

(1) – 0.0024           

(2) – 0.0012

(3) 0.0012               

(4) 0.0024

Atomic power station at Tarapore has a generating capacity of 200 MW. The energy generated in a day by this station is

(1) 200 MW               

(2) 200 J

(3) $4800\times {10}^6<mspace\; width="1em"></mspace>\mathrm{J}$          

(4) $1728\times {10}^{10}$ J

Which of the following has the mass closest in value to that of the positron 

(1) Proton         

(2) Electron

(3) Photon         

(4) Neutrino

(1 amu = 931 MeV)

The masses of neutron and proton are 1.0087 a.m.u. and 1.0073 a.m.u. respectively. If the neutrons and protons combine to form a helium nucleus (alpha particle) of mass 4.0015 a.m.u. The binding energy of the helium nucleus will be (1 a.m.u.= 931 MeV) :

(1) 28.4 MeV               

(2) 20.8 MeV

(3) 27.3 MeV               

(4) 14.2 MeV