Wavelength, speed and frequency of light when it enters a medium

1. A.
   1.303
2. B.
   1.318
3. C.
   1.13
4. D.
   0.12

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1. A.
   wavelength speed and frequency decreases.
2. B.
   wavelength increases, speed decreases and frequency remains constant.
3. C.
   wavelength and speed decreases but frequency remains constant.
4. D.
   wavelength, speed and frequency increases.

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1. A.
   $\lambda_{2} = \lambda_{1},v_{2} = \sqrt{2}v_{1}$
2. B.
   $\lambda_{2} = \frac{1}{\sqrt{2}}\lambda_{1},v_{2} = v_{1}$
3. C.
   $\lambda_{2} = \sqrt{2}\lambda_{1},v_{2} = v_{1}$
4. D.
   $\lambda_{2} = \lambda_{1},v_{2} = \frac{1}{\sqrt{2}}v_{1}$

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1. A.
   300 nm
2. B.
   600 nm
3. C.
   400 nm
4. D.
   500 nm

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1. A.
   380
2. B.
   840
3. C.
   480
4. D.
   540

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