Radio waves travel in air at 3.0 x 10⁸ms^-1. If the waves enter water of refractive index \(\frac{4}{3}\), calculate the speed of radio waves in water

4.33 x 10⁸ms^-1

4.00 x 10⁸ms^-1

2.25 x 10⁸ms^-1

1.33 x 10⁸ms^-1

Correct Option

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6 years ago

The way the answer is writing..that is the calculation...I can't really understand

6 years ago

The way the answer is writing..that is the calculation...I can't really undersynd

5 months ago

am confuse here. what and what did there multiply that gives 9×10⁸/4/3

10 years ago

Got the right answer for this question, ticked the right option buh later found out after submitting dah it wasn't ticked

hmm..great losing one mark

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Radio waves travel in air at 3.0 x 108ms-1. If the waves enter water of refractive index \(\frac{4}{3}\), calculate the speed of radio waves in water