Question

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Four point charges each of magnitude luC (each positive) are fixed at the vertices of a square
ABCD. The diagonals of the square intersect at O. Length of each diagonal is 2 m. A particle of
mass 2 g having a charge +2PC is released from a point 1 cm from O and 99 cm from A. The
TI
s. Find the value of x. (Neglect gravity).
motion of the particle is SHM with period
3​

Answer 1

Answer:

Lithium, sodium, potassium