Which of the following statements closely describes the characteristics of 'Exciton'?

It is a combination of a proton and a negatively charged hole created when an electron loses the energy

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It is a combination of an electron and a neutron created when an electron gets excited

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It is a combination of an electron and a positively charged hole created when an electron is excited

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It is a combination of an electron and a neutron created when the fission of neutron takes place

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Solution

The correct option is C It is a combination of an electron and a positively charged hole created when an electron is excited
Excitonium is a new form of matter consisting of the particles named ‘EXCITON’. It is a combination of an excited electron and the positively charged hole it leaves behind. It was found by researchers at the University of Illinois.

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Similar questions

A neutron is formed by an electron and a proton combining together and therefore, it is neutral.True or False.

Which of the following statement is correct about the atom of an element ?

(a) an atom can have only protons and neutrons but no electrons.

(b) an atom can have only electrons and neutrons but no protons

(d) an atom must always have a proton, neutron and electron

(a) an atom has equal number of electrons and protons

(b) an atom has equal number of electrons and neutrons

(d) an atom has equal number of electrons, protons and neutrons

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