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At a specific instant emission of radioactive compound is deflected in a magnetic field. The compound can emit

(i)\; electrons  

(ii)\; protons

(iii)\; He^{2+}

(iv)\; neutrons

The emission at the instant can be

  • Option 1)

    i, ii, iii

  • Option 2)

    i, ii, iii, iv

  • Option 3)

    iv

  • Option 4)

    ii, iii

 

Answers (1)

best_answer

As we learnt in

Continuous x-ray -

\lambda ^{min}=\frac{hc}{ev}

- wherein

Also called cutoff wavelength . All other wavelength are greater than this.

 

 Since only charge particle can be deflected in magnetic field so it cannot be neutron at neutron is a neutral particle.


Option 1)

i, ii, iii

This is the correct option.

Option 2)

i, ii, iii, iv

This is an incorrect option.

Option 3)

iv

This is an incorrect option.

Option 4)

ii, iii

This is an incorrect option.

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perimeter

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