Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Quantum Numbers116Choose the best answerIf two orbitals have the same value of n + ℓ, which orbital fills first?AHigher nBLower nCHigher ℓDA greater number of radial nodes Like 1 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Spectroscopy117Choose the best answerIn the word spectroscopy, the Greek root “skopia” means:AMeasurementBObservation or viewingCRadiationDReflection Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Nuclear Chemistry#Radioactivity118Choose the best answerAccording to the STB text, which nuclear power station is mentioned for electricity generation?AChashma Nuclear Power PlantBKarachi Nuclear Power PlantCThar Power ComplexDTarbela Power Station Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model119Choose the best answerWhat is the total energy of an electron in a permitted Bohr orbit?A−Ze²/4πε₀rB−Ze²/8πε₀rCZe²/8πε₀rD½mv² Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Wave Relations120Choose the best answerWhich relation correctly connects frequency (ν), wavenumber (ν̄) and the speed of light (c)?Aν = ν̄/cBν = cν̄Cν = ν̄ + cDν = c/ν̄ Like 0 Discuss 0Share