# H+, He+ and O++ ions having same kinetic energy pass through a region of space filled with uniform magnetic field B directed perpendicular to the velocity of ions. The masses of the ions H+, He+ and O++ are respectively in the ratio 1:4:16. As a result Option 1) H+ ions will be deflected most   Option 2) O++ ions will be deflected least   Option 3) He+ and O++ ions will suffer same deflection   Option 4) All ions will suffer the same deflection

Answers (1)

As we learnt in

Radius of charged particle -

-

Deflection

Ratio of deflection:

Therefore deflection is same for He+ and O++ .

Option 1)

H+ ions will be deflected most

incorrect

Option 2)

O++ ions will be deflected least

incorrect

Option 3)

He+ and O++ ions will suffer same deflection

correct

Option 4)

All ions will suffer the same deflection

incorrect

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