NEET 2026 Physics question
An electromagnetic wave travelling in a lossless dielectric medium having a dielectric constant, , has the electric field, where is the amplitude and is the wave vector. Among the following options, the **incorrect** choice is
Answer: (2)
Solution
In a non-magnetic lossless dielectric (), the wave speed is , so (1) is correct. With frequency , the wavelength inside the medium is \frac{v}{f}$ =
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