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Q: When light enters from air to water, then its

  • 1
    frequency increases and speed decreases
  • 2
    frequency is same but the wavelength is smaller in water than in air
  • 3
    frequency is same but the wavelength is larger in water than in air
  • 4
    frequency and speed both decreases
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Answer : 2. "frequency is same but the wavelength is smaller in water than in air"
Explanation :

Answer: B) frequency is same but the wavelength is smaller in water than in air Explanation:

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