JEE Main 12 Apr 2019 Paper 2 Solved Paper

Section: Physics

Question : 27 of 90

Marks: +1, -0

A smooth wire of the length 2πr is bent into a circle and kept in a vertical plane. A bead can slide smoothly on the wire. When the circle is rotating with angular speed ω about the vertical diameter AB , as shown in figure, the bead is rest with respect to the circular ring at position P as shown. Then the value of ω2 is equal to:

[12 Apr 2019 Shift 2]

2g
(r√3)
√3g
2r
(g√3)
r
2g
r

Validate

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