Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Photon Energy281Choose the best answerIn ΔE = E₂ − E₁ = hν, what does ν represent?APlanck’s constantBFrequency of radiationCWave numberDAngular momentum Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electron Charge282Choose the best answerIn which year did Millikan perform the oil-drop experiment?A1897B1909C1911D1932 Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#X-Rays283Choose the best answerWhich statement about X-rays is incorrect?AThey travel with the speed of light in vacuumBThey are deflected by electric and magnetic fieldsCThey affect photographic platesDThey can ionize gases Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model284Choose 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 Energy285Choose the best answerFor hydrogen, Eₙ = −K/n². What is the value of K?A2.18 × 10⁻¹⁸ J atom⁻¹B8.84 × 10⁻¹² J atom⁻¹C6.626 × 10⁻³⁴ J atom⁻¹D1.602 × 10⁻¹⁹ J atom⁻¹ Like 0 Discuss 0Share