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A periscope works by the principle of

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A periscope works by the principle of

Answer & Solution
Correct Answer: Option A
A periscope works by the principle of total internal reflection.
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3 Comments
Padmalochan Sahoo
Padmalochan Sahoo 3 years ago
Reflection
Lakkanna Nandaganv
Lakkanna Nandaganv 5 years ago
Law of reflection
Lakkanna Nandaganv
Lakkanna Nandaganv 5 years ago
Law of refraction
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