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//chapter10,Example10_13,pg 276
e=1.6*10^-19
Va=150
m=9.1*10^-31
vx=sqrt((2*e*Va)/m)
V=20
d=10^-2
ay=(e/m)*(V/d)
l=10*10^-2
vy=ay*(l/vx)
theta=atan(vy/vx)
theta=theta*(180/%pi)//converting into degree
theta=theta*(%pi/180)//converting into radian
Y=D*tan(theta)
S=(Y/V)
printf("velocity of electron reaching field vx=%.2f m/sec\n",vx)
printf("\nacceleration due to electric field ay=%.2f m/sec2\n",ay)
printf("\nfinal velocity attained by deflecting field vy=%.2f m/sec\n",vy)
printf("\nangle of deflection theta=%.2f deg.\n",theta)
printf("\ndeflection on screen Y=%.2f m\n",Y)
printf("\ndeflection senstivity S=%.2f m/volt\n",S)
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