DO Baru 8
nucleon. Hiass of one proton
c. Calculate the mass in gram of radioactive sample Pb – 214 having an activity 3. 17 x 104
decay/s and half life of 26. 8 minutes.
(Avogadro number = 6. 02 x 10 /mole)
mace sam is under the tension of 500 N and is tied down