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❓ Question The electric field of an EM wave is: E = 2 sin ⁡ ( 2 × 10 15 t − 10 7 x ) E = 2\sin\left(2\times10^{15}t - 10^7x\right) Find the refra…

❓ Question The unit of 2 I ε 0 c​ is to be found, where I I  = intensity of an electromagnetic wave, ε 0 \varepsilon_0 ​ = permittivity of…