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प्रश्न
n = _______. This law is also called as Snell’s law.
विकल्प
`(sin "r")/(sin "i")`
`(sin "r")/(sin "e")`
`(sin "e")/(sin "r")`
`(sin "i")/(sin "r")`
MCQ
रिक्त स्थान भरें
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उत्तर
n = `underline((sin "i")/(sin "r"))`. This law is also called as Snell’s law.
shaalaa.com
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