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A mirror is placed at the centre of a sp...

A mirror is placed at the centre of a sphere and it is rotating with an angular speed `omega`. Incident light falls on the mirror at the centre of the sphere. Find out the linear speed of the light spot on the sphere?

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Angular speed fo mirror =`omega `
Angular speed of Reflected Ray `= 2 omega `
Speed of light spot on the mirror `= 2 omega (R )`
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