MDCAT Chemistry Past Paper 2023#Atomic Structure#Bohr Model6Choose the best answerThe radius of the first orbit of hydrogen is 0.53 Å. Which orbit has a radius of 4.77 Å? (MDCAT 2023)AFirstBSecondCThirdDFourth Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model7Choose the best answerAccording to Bohr’s quantization condition, electron angular momentum is an integral multiple of:Ah/πBh/2πC2π/hDh/2π² Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model8Choose the best answerWhich expression gives the radius of the nth orbit in a hydrogen-like species?Ar = ε₀n²h²/Zπme²Br = nh/2πCr = mv²/rDr = Ze²/4πε₀r² Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model9Choose the best answerWhich expression represents the Bohr radius constant, a₀?Aa₀ = ε₀h²/πme²Ba₀ = n²h²/4π²m²r²Ca₀ = Ze²/4πε₀Da₀ = h/2πm Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model10Choose the best answerWhat is the numerical value of the Bohr radius?A0.529 × 10⁻⁸ cmB1.602 × 10⁻¹⁹ cmC8.84 × 10⁻¹² cmD6.625 × 10⁻³⁴ cm Like 0 Discuss 0Share