Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model276Choose the best answerWhat is the centrifugal-force expression for an electron moving in a circular orbit of radius r?Amv²/r²Bmv/rCmv²/rDm²v/r Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electromagnetic Spectrum277Choose the best answerWhat is the approximate wavelength of violet light?A7000 ÅB5000 ÅC4000 ÅD6000 Å Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration278Choose the best answerSpecies having the same number of electrons and the same electronic configuration are called:AIsotopesBIsobarsCIsoelectronic speciesDIsotones Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#X-Rays279Choose the best answerWhich conditions are required to produce X-rays in a discharge tube?AHigh voltage and very low pressureBLow voltage and atmospheric pressureCLow voltage and high pressureDAtmospheric pressure without an applied potential Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Pauli Exclusion Principle280Choose the best answerWho formulated the exclusion principle?AWolfgang PauliBErwin SchrodingerCMax PlanckDFriedrich Hund Like 1 Discuss 0Share