Question: When the light enters the block at an angle and is reflected back out it is called TOTAL INTERNAL REFLECTION. The angle this occurs at

When the light enters the block at an angle and is reflected back out it is called TOTAL INTERNAL REFLECTION. The angle this occurs at is called the CRITICAL ANGLE 1) Use your equipment to find out the critical angle for total internal reflection in a semi-circular glass block. 2) Draw a line graph of your results. 3) Can you think of any applications of total internal reflection

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