Question

What is the difference between internal reflection and total internal reflection? ​

Answer 1

Answer:

Reflection and total internal reflection are physical properties of waves. Reflection occurs in all kind of waves like sound, water etc. but total internal reflection occurs only with light rays.

· Total internal reflection occurs when light passes through denser medium to the lighter medium. But for reflection there is no such restriction to consider.

· In reflection of a wave, both reflection and refraction (passing through second medium) waves occur. But in total internal reflection, only reflection ray is occurs no refraction is allowed.

· In total internal reflection, energy of incident ray and reflected ray are equal. However, in reflection

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Answer 2

Total Internal Reflection

• Total Internal Reflection (TIR) happens when light travels from a denser medium to a lighter medium.
• TIR arises only when some conditions are met.
• All the light is reflected in total internal reflection.
• In total internal reflection, the light intensity is higher, and the objects shine brighter than in ordinary reflection.
• It happens only when particular conditions are met
• Happens only in light rays
• Example : Due to total internal reflection, diamonds sparkle.

Internal Reflection

• it is nothing but the phenomenon of light reflected inside a particular object which may be transparent or reflection
• Happens in any conditions like whatever reflection medium ISS there irrespective if it is regular or irregular
• Happens in all types of rays like UVs, Sound rays and many more
• Example : Rainbow formation

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TQ