Nuclei having the same mass number but different atomic number are____________?
Nuclei having the same mass number but different atomic number are____________? A. IsotopesB. Isobars C. Isotones D. Isomers
Nuclei having the same mass number but different atomic number are____________? A. IsotopesB. Isobars C. Isotones D. Isomers
Mass of neutron is________________? A. 1.67 x 10-31 kgB. 1.67 x 10-27 kg C. 9.1 x 10-31 kg D. 1.67 x 10-19 kg
A particle having the mass of an electron and the charge of a proton is called a______________? A. AntiprotonB. Positron C. Gamma rays D. Photon
The charge on neutron is_______________? A. Plus 1.6 x 10-19CB. Zero C. Minus 1.6 x 10-19C D. No definite charge
The charge on an electron was determine by ________________? A. Ampere B. MaxwellC. Millikan D. Thomson
Which one of the following radiations possesses maximum velocity ? A. α-rays B. β-raysC. γ-rays D. All of above have the same speed
The fission chain reaction in a nuclear reactor can be controlled by introducing _______________? A. Iron rods B. Graphite rodsC. Cadmium rods D. Platinum rods
Average energy required to remove one nucleon from the nucleus is called__________________? A. Binding energy per nucleon B. Energy of decay C. Destruction energy D. All of above
Radioactive decay obeys which one of the following law ? A. N=Noe-λt B. N=Noeλt C. N=Noe-λt/2 D. No=N(1+eλt)
The diameter of an atom is approximately_______________? A. 10-12m B. 10-11mC. 10-10m D. 10-14m