The charge on neutron is_______________? April 17, 2025 by admin A. Plus 1.6 x 10-19C B. Zero C. Minus 1.6 x 10-19C D. No definite charge
A particle having the mass of an electron and the charge of a proton is called a______________? April 17, 2025 by admin A. Antiproton B. Positron C. Gamma rays D. Photon
Mass of neutron is________________? April 17, 2025 by admin A. 1.67 x 10-31 kg B. 1.67 x 10-27 kg C. 9.1 x 10-31 kg D. 1.67 x 10-19 kg
Nuclei having the same mass number but different atomic number are____________? April 17, 2025 by admin A. Isotopes B. Isobars C. Isotones D. Isomers
A mass spectrograph (spectrometer) sorts out____________? April 17, 2025 by admin A. Molecules B. Ions C. Elements D. Isotopes
Sum of the masses of constituent nucleons as compared to the mass of the resultant nucleus is______________? April 17, 2025 by admin A. Smaller B. Greater than 82 C. Same D. Sometimes smaller some times greater
An alpha particle is emitted from 88Ra226. What is the mass and atomic number of the daughter nucleus ? April 17, 2025 by admin A. 224 – 84 B. 220 – 80 C. 222 – 86 D. 226 – 87
The unit of radioactivity curie is equal to_________________? April 17, 2025 by admin A. 3.74 x 109 disintegration per sec B. 3.70 x 1010 disintegration per sec C. 3.55 x 1010 disintegration per sec D. 3.60 x 1010 disintegration per sec
The unit of radioactivity curie is equal to________________? April 17, 2025 by admin A. 3.74 x 109 disintegration per sec B. 3.70 x 1010 disintegration per sec C. 3.55 x 1010 disintegration per sec D. 3.60 x 1010 disintegration per sec
During the fission process a large amount of______________? April 17, 2025 by admin A. Heat energy is released B. Nuclear energy is released C. Chemical energy is released D. Light energy is released
