Please solve 26 cng.
m - 0-1 x 300
26. Calculate the minimum velocity of an electron so that it can follow
path of radius metre while passing through an electric field of
strength 4(X) volt/metre.
Ans. 7•95 x 106 m/sec.
27. A beam Of electrons while moving with a velocity of 3 x 107 twsec
is deflected at right angles to its path in passing through an electric
field of strength 45 voltjm. Calculate elm of the electrons if the
radius of the deflected beam is 2 metre.
Ans. 1013 coulomb/kg.