Match the followings List-IList-II(I)Cathode rays(P)Helium nuclei(II)Alpha particles(Q)Uncertainty principle(III)J.J. Thomson(R)Electromagnetic radiation(IV)X-rays(S)Plum Pudding Model(T)Atomic number(U)Electrons
A
I−P;II−R;III−T;IV−S
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B
I−Q;II−T;III−U;IV−R
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C
I−T;II−P;III−R;IV−Q
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D
I−U;II−P;III−S;IV−R
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Solution
The correct option is DI−U;II−P;III−S;IV−R I- Cathode rays are made up of electrons.
II- Alpha particles are made up of helium nuclei.
III- J.J. Thomson suggested that electrons are surrounded by a volume of positive charge. It looks like negatively charged "plums" embedded in a positively charged "pudding". So it is called as Plum Pudding model.
IV- X rays are part of electromagnetic radiation.