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An observer looks a tank and the corner of the tank is visible to the observor at angle 45 degree.When the tank is filled with liquid an insect is visble at the centre . At t=0 a cork is opened from the bottom of the tank and insect is visible for a certain period of time.find the refractive index of the liquid?

An observer looks a tank and the corner of the tank is visible to the observor at angle 45 degree.When the tank is filled with liquid an insect is visble at the centre . At  t=0 a cork is opened from the bottom of the tank and insect is visible for a certain period of time.find the refractive index of the liquid?

Grade:12

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