1.

A charged particle q is shot towards another charged particle Q which is fixed, with a speed \[\nu \]. It approaches Q upto a closest distance r and then returns. If q were given a speed \[2\nu \], the closest distances of approach would be                                                                                                            [AIEEE 2004]

A.                    r
B.                                      2r
C.                    r/2                                    
D.            r/4
Answer» E.


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