A glass lens of refractive index 1.5 is placed in a trough of liquid.What is the refractive index of liquid in order to make the lens disappear?
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The given condition is not really possible under normal circumstances. This is because, in order to compensate for the deviation of light rays which occurred when it travelled from the air to the glass, the liquid must have a refractive index essentially less than 1 (which means that light must travel faster in the liquid than what it does in vacuum). This case is obviously not possible.
In case there is a change in this, I'll let you know.
The given condition is not really possible under normal circumstances. This is because, in order to compensate for the deviation of light rays which occurred when it travelled from the air to the glass, the liquid must have a refractive index essentially less than 1 (which means that light must travel faster in the liquid than what it does in vacuum). This case is obviously not possible.
In case there is a change in this, I'll let you know.
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the refractive index of the liquid must be equal to the refractive index of glass to make it disappear that is it must be 1.5 according to the question
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