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Electrolysis and Electrolytes

In mass spect...

Question

In mass spectrograph we first take a molecular sample and then convert into positive ions why ? And it is given that these ions are then allowed to pass through uniform electric and magnetic field which make them execute circular motion . the radius of the circular path is proportional to the mass of charged particle and hence gives the molecular mass . how the molecular mass is calculated in terms of radius and mass of charged particle ?

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Q. A particle of charge

q

m

moves in a circular path of radius

r

in a uniform magnetic field

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The particle is replaced with a particle of identical charge and mass

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The radius of the new circular path the particle makes is:

Q. A particle of charge

q

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moves in a circular path of radius

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in a uniform magnetic field

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v

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-particle (mass

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amu) and a singly charged sulfur ion (mass

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V

and then allowed to pass into a region of uniform magnetic field which is normal to the velocities of the particles. Within this region, the

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r_{α}

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Q. A particle of charge

q

m

moves in a circular path of radius

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The particle is replaced with a particle of identical mass and charge

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, moving at speed

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The radius of the new circular path the particle makes is:

Q. Ions of same charge and velocity but of different masses pass through a uniform transverse magnetic field, the radii of the paths depend on the masses. (This is the principle of a mas spectrograph). Among the following the correct relation between the radius and mass is :

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