A particle of mass m suspended by a string of length l revolves in a horizontal circle (`theta` is the angle the string makes with vertical). Which of the following statement(s) is // are correct?

A particle of mass m suspended by a string of length l revolves in a horizontal circle such that theta is the angle which the string makes with vertical. Which of the following statement (s) is/are correct ?

An object of mass M is tied to a string of length l and revolved in a horizontal circle. If length is reduced by l//2 , then period is

An object of mass M is tied to a string of l and revolve in a horizontal circle .If length is reduced by l//2 , then period is

A particle of mass m is tied to a string of length L and whirled into a horizontal plan. If tension in the string is T then the speed of the particle will be :

A particle of mass m is tied to a string of length L and whirled into a horizontal plan. If tension in the string is T then the speed of the particle will be :

A particle of mass 'm' is suspended from a ceiling through a string of length'L'. If the particle moves in a horizontal circle of radius 'r', then the speed of the particle is