A particle is moving towards east enters in a magnetic field directed towards north and deflected in vertically downward direction. The charge particle is 
1. an electron    2. a proton   3. an alpha particle     4. a neutron

Dear Student,

We will use the left hand rule,




As per the question, the charge is deflected in the downward direction. So, the current is in the west direction.

The particle is an electron.

Regards


 

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AN alplha particle.
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