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Standard IX
Science
Question

It is possible to observe total internal reflection when a ray travels from :
  1. Air into water
  2. Air into glass
  3. Glass into water
  4. Water into glass

A
Air into water
B
Water into glass
C
Glass into water
D
Air into glass
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Solution
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Total internal reflection is possible when light travels from denser medium to rarer medium. Among the given options, the condition for total internal reflection is fulfilled when light travels from glass to water.
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