The frequency of a light wave in air is 4.0xl0^14 Hz. Is the frequency of this l

Question

The frequency of a light wave in air is 4.0xl0^14 Hz. Is the frequency of this light wave higher, lower, or the same after the light centers a piece of glass? Higher lower the same If the Electric Field is zero throughout a region of space, can you conclude that V = 0 in that region? Yes no Humans can detect sound waves ranging from roughly 20-20,000 Hz. The speed of sound in air is about 330 m/s. Based on the approximate size of the ear canal (the part you clean with a Q - Tip....if you use Q - Tips!), is the ray approximation always valid for these sound waves? Yes No Maybe

Explanation / Answer

1

lower

because new lambda = old lambda / refrective index

2

no becsuae if V is contant then electric field will be zero so NO

3

NO

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