question_answer

Statement I Suppose the earth has a whole along one of its diameter. A particle of very small mass is dropped into it. It executes the SHM

Statement II The gravitational acceleration is always directing towards a fixed point.

A)  Statement I is true, Statement II is also true and Statement II is the correct explanation of Statement I.

B)  Statement I is true, Statement II is also true and Statement II is not the correct explanation of Statement I.

C)  Statement I is true, Statement II is false.

D)  Statement I is false, Statement II is true.

Correct Answer: A

Solution :

  Here, g is always acting towards the centre of the earth. At the ends of the whole velocities are minimum while g in maximum and at the centre O the velocity of particle is maximum while g is minimum (zero).