SECTION - B
A uniform electric field of 
is created between two parallel charged pates (as shown in figure). An electron enters the field symmetrically between the plates with a kinetic energy 
. The length of each pate is 
. The angle 
of deviation of the path of electron as it comes out of the field is ___(in degree).
Text Solution
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(45)
Force due to electric field is given by 
The electron will take a parabolic path i.e., projectile motion.
Here, 
Now 
Also 
iii 
From eq (i),(ii) and (iii), 
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