Question

Find the ratio of (e/m) value for proton to alpha particle (He^2+)

Answer 1

Answer:

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Explanation:

specific charge = charge / mass of the substance.

For alpha particle, specific charge = 2e/4m=

(2× 1.6 × 10 ^ -19 )/(4× 1.66×10^-27) =4.82×10^7 C/kg