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12th Notes

Real depth and apparent depth

Real depth and apparent depth. A water tank appears shallower i.e. less deep then what actually is. When we observe an object which is inside the water or any transparent liquid it appear higher then its actual position . This is because when light travels from denser to rarer it bended away from the normal […]

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12th Assignments

Total internal reflection

In this topic we will discuss , what do you mean by the term Total internal reflection, critical angle . And we will practice some questions based on these topics. before to know this topic students must know Real depth and apparent depth. To know this topic click here- Total internal reflection and critical angle. […]