Related InterviewSolutions

• Electrons move around nucleus in form ofA. cloudsB. dust particlesC. steamD. charge
• Alpha particles have relativelyA. low kinetic energiesB. high potential energyC. high mechanical energyD. high kinetic energy
• Process in which α and β rays pass close to atoms and knock electrons out is calledA. atomizationB. ionizationC. decayD. hydroxylation
• Radius of nucleus ranges fromA. 10-15 mB. 10-15 m to 10-14 mC. 10-10 mD. 10-10 m to 10-6 m
• β- radiations are simplyA. protonsB. neutronsC. electronsD. muons
• Number of protons in an atom determineA. chemical propertiesB. physical propertiesC. magnetic propertiesD. electrical properties
• Elements undergo radioactive decay when proton number becomes greater thanA. 50B. 40C. 83D. 73
• Radiations emitted by radioactive substances isA. alphaB. betaC. gammaD. all of above
• Particles like kaons and muons etc, were found out byA. looking at cosmic raysB. looking at particles in acceleratorsC. looking closely at atomD. both A and B
• Phenomena of radioactivity was discovered by Henri Becquerel inA. 1896B. 1895C. 1894D. 1893