a nail is fixed at point P vertically below the point of suspension ‘o’ of simple pendulum of length 1m. the bob is released when the string of pendulum makes an angle of 30 degree with horizontal .the bob reaches lowest point then describes vertical circle whose centre coincides with P .the least distance of P from O is. a)0.4mb)0.5mc)0.6md)0.8m

manan , 8 Years ago

Grade 11