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Grade 11Electrostatics

Please solve my image questions it's request ..Please give me detail solution of attached image question

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Profile image of Rankush
7 Years agoGrade 11
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1 Answer

Profile image of Saif
7 Years ago
In this question it says speed of electron slows down,it means direction of electric field line is from A to B.
{ bcz Force on electron is acting opposite to direction of electric field}
From this concept we can say that 
Speed of alpha particle decreases
Speed of Proton increases
Speed of B- particle increases
Correct ans is (c)