During secular variation of magnetic meridian at different places (A) Range of oscillations is constant (B) Period of oscillation is constant (C) Range and period of oscillation both vary (D) Period of oscillation only varies

During secular variation of magnetic meridian at different places
(A) Range of oscillations is constant
(B) Period of oscillation is constant
(C) Range and period of oscillation both vary
(D) Period of oscillation only varies
by

1 Answer

Answer :

(C) Range and period of oscillation both vary
by

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