Physics
The bending of light when it passes around a corner or a slit is due to ________

Reflection
Diffraction
Total internal reflection
Refraction

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Physics
In total internal reflection, the light travel from

Denser to rarer medium and it occurs with loss of intensity
Rarer to denser medium and it occurs with no loss of intensity
Denser to rarer medium and it occurs with no loss of intensity
Rarer to denser medium and it occurs with loss of intensity

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