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(a) In the figure shown a slab of refrac...

(a) In the figure shown a slab of refractive index `(3)/(2)` is moved toward a stationary observer with speed `6 cm//s` . `A` point `O` is observed by the observer with the help of paraxial rays through the slab. Both `O` and observer lie in are. Find the velocity (in `cm//s`) with which the image will appear to move to observer.

(b) in the previous question if the object moves towards rigth with a velocity of `6 cm//s` and find the velocity of the final image (in `cm//s`) as seen by observer :

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