A simple pendulum has time period T1 . The point of suspension is now moved upward according to the relation y =kt2 ,(k = 1 m/s2) where y is the vertical displacement. The time period now becomes T2. The ratio of T12 / T22 is (g = 10 m/s2)
(a) 6/5
(b) 5/6
(c) 1
(d) 4/5
