Positronium is the name given to an atom-like combination formed between_____________.

a positron and a proton

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a positron and a neutron

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a positron and an

α

-particle

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a positron and an electron

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Solution

The correct option is C a positron and an electron
Positronium is the name given to an atom-like combination formed between a positron and an electron. Electron and positron are particle and antiparticle.

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Similar questions

Q. A positronium consists of an electron and a positron revolving about their common centre of mass. Calculate the separation between the electron and positron in their first excited state.

Q. An α-particle is bombarded on ¹⁴N. As a result, a ¹⁷O nucleus is formed and a particle is emitted. This particle is a
(a) neutron
(b) proton
(c) electron
(d) positron.

Bombardment of aluminium of α-particle leads to its artificial disintegration in two ways (i) and (ii) as shown below. Product X, Y, and Z, respectively, are

$_{14} S i^{30} + X (i) \leftarrow_{13} A l^{27} (i i) \to_{15} P^{30} + Y \to_{14} S i^{30} + Z$

(IIT-JEE, 2011)

Q. A positron and an electron come close together to give a neutral one called

Q. If an electron and positron annihilate, then the energy released is

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Positronium is the name given to an atom-like combination formed between_____________.

The correct option is C a positron and an electronPositronium is the name given to an atom-like combination formed between a positron and an electron. Electron and positron are particle and antiparticle.

The correct option is C a positron and an electron
Positronium is the name given to an atom-like combination formed between a positron and an electron. Electron and positron are particle and antiparticle.