A ball is kept at a height h above the surface of a heavy transparent sphere made of a material of refractive index mu. The radius of the sphere is R. At t=0 the ball is dropped to fall normally on the sphere. For t lt sqrt((2h)/g) and by a single refraction, what is the speed of image as a function of time?

Class 12 Physics in Class 12 . 3 years ago

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`(MUR^(2)"GT")/([(mu-1)(h-1/2"gt"^(2))-R]^(2))`
`[(muR^(2)"gt")/((mu-1)(h-1/2"gt")^(2))]`
`(muR^(2)"gt")/((mu-1)(h-1/2"gt"^(2))-R)`
`(muR^(2)"gt")/(mu(h-1/2"gt"^(2)))`

Answer :A

Posted on 11 Dec 2021, this text provides information on Class 12 related to Physics in Class 12. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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