jee-main 2013 Q15

jee-main · India · 09apr Not Maths

Two balls of same mass and carrying equal charge are hung from a fixed support of length $l$. At electrostatic equilibrium, assuming that angles made by each thread is small, the separation, $x$ between the balls is proportional to :
(1) $l$
(2) $l ^ { 2 }$
(3) $l ^ { 2 / 3 }$
(4) $l ^ { 1 / 3 }$

Two balls of same mass and carrying equal charge are hung from a fixed support of length $l$. At electrostatic equilibrium, assuming that angles made by each thread is small, the separation, $x$ between the balls is proportional to :\\
(1) $l$\\
(2) $l ^ { 2 }$\\
(3) $l ^ { 2 / 3 }$\\
(4) $l ^ { 1 / 3 }$

Paper Questions

Q2 Q3 Q4 Q5 Q6 Q8 Q11 Q12 Q13 Q15 Q16 Q17 Q18 Q20 Q25 Q26 Q27 Q35 Q37 Q45 Q46 Q59 Q61 Q62 Q63 Q64 Q65 Q66 Q67 Q68 Q69 Q70 Q71 Q72