Light Having a Frequency in Vacuum of 6

question 21

Multiple Choice

Light having a frequency in vacuum of 6.0 × 10¹⁴ Hz enters a liquid of refractive index 2.0.What is the frequency of the light in this liquid? (c = 3.0 × 10⁸ m/s)

• A)12 × 10¹⁴ Hz
• B)6.0 × 10¹⁴ Hz
• C)3.0 × 10¹⁴ Hz
• D)1.5 × 10¹⁴ Hz
• E)2.0 × 10¹⁴ Hz

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