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Two negatively charges particles having charges  and  and masses  and  respectively are projected one after another into a region with equal initial velocity. The electric field  is along the -axis, while the direction of projection makes an angle a with the -axis. If the ranges of the two particles along the -axis are equal then one can conclude that

a)

 and

b)

only

c)

 only

d)



Question ID - 52652 | SaraNextGen Top Answer

Two negatively charges particles having charges  and  and masses  and  respectively are projected one after another into a region with equal initial velocity. The electric field  is along the -axis, while the direction of projection makes an angle a with the -axis. If the ranges of the two particles along the -axis are equal then one can conclude that

a)

 and

b)

only

c)

 only

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Here, effected gravitational acceleration is

It means,  for both particles are same

This is possible when

 and

127 votes


127