Questions in nuclei

Select	Question
	The radius of a nucleus of a mass number A is directly proportional to
	The mass and energy equivalent to 1 a.m.u. respectively
	The sodium nucleus $_{11}^{23}Na$ contains
	As compared 12C atom, 14C atom has
	Two protons exerts a nuclear force on each other, the distance between them is
	If m, mn and mp are the masses of $_Z{X^A}$nucleus, neutron and proton respectively
	The mass defect in a particular nuclear reaction is 0.3 grams. The amount of energy liberated in kilowatt hours is (Velocity of light = $3 \times {10^8}\,m/s$)
	Which of the following statement(s) is/(are) correct
	On the bombardment of neutron with Boron. ?-particle is emitted and product nuclei formed is
	The average kinetic energy of the thermal neutrons is of the order of (Boltzmann's constant ${K_B} = 8 \times {10^{ - 5}}eV/Kelvin$)