Which of the following cannot be emitted by radioactive substances during their decay?

  • Option 1)

    protons

  • Option 2)

    neutrinos

  • Option 3)

    helium nuclei

  • Option 4)

    electrons

 

Answers (1)

As we learnt in

Property of neutino -

Zero electric charge

Its mass much less than mass of electron

Spin 1/2 particle

Very weak matter making it quite difficult to detect

-

 

 During nuclear process, particles emitted are \alpha,\ \beta or \gamma and neutrino. 

No proton or neutrons are emitted. Hence correct answer is option 1. 


Option 1)

protons

This is the correct option.

Option 2)

neutrinos

This is an incorrect option.

Option 3)

helium nuclei

This is an incorrect option.

Option 4)

electrons

This is an incorrect option.

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