A ray of light strikes a boundary between two transparent materials,and there is no transmitted ray,as shown in the figure.What can you conclude about the indices of refraction of these two materials? 
Definitions:
Perceptual Defence
The psychological mechanism by which individuals unconsciously filter out or modify distressing information to protect themselves.
Functional Specialty
An area of expertise or a department within an organization that focuses on a specific function or discipline, such as marketing, finance, or human resources.
Information Overload
The state of having more information available than one can easily process or manage, often leading to stress or decision-making difficulties.
Not-invented-here Bias
A form of bias where individuals or organizations prefer internally developed products or ideas over external solutions.
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