Physics – Atoms Molecules and Nuclei – MCQs TEST (Maharashtra HSC Board)
Physics – Atoms Molecules and Nuclei – TEST (MCQ Maharashtra HSC Board)
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#1 These rays have the maximum penetrating power
#2 Who promoted the idea of matter waves?
#3 What did the experiment of Davisson and Germer prove?
#4 The series which lies in the ultra-violet region of the spectrum of a hydrogen atom is called
#5 Which of the following is true for a radioactive nucleus?
#6 The half life of a radioactive element is 6 days. How much time is required for the decay of 7/8 of the element?
#7 In Davisson Germer experiment the angel of diffraction is 52˚. What is the glancing angle?
#8 Produced by the angular moment of electrons?
#9 What are nuclei that have the same number of protons but different number of neutrons called?
#10 An α particle can be expressed as being composed of
#11 The radius of the hydrogen atom in the second excited sates is
#12 What is the radius of Bohr’s orbit proportional to?