According to Faraday's law of induction and Ampere's law, a changing magnetic field causes curl of electric field simultaneously; and also a changing electric field causes curl of magnetic field simultaneously. By combining these equations, the equation of electromagnetic wave is derived. I thought I understood completely until I realize I didn't get how the light travels straight line if one causes curl of another. I saw visualization of electromagnetic wave but still it looks like violating faraday law and Ampere law.
According to Faraday's law of induction and Ampere's law, a changing magnetic field causes curl of electric field simultaneously; and also a changing electric field causes curl of magnetic field simultaneously. By combining these equations, the equation of electromagnetic wave is derived. I thought I understood completely until I realize I didn't get how the light travels straight line if one causes curl of another. I saw visualization of electromagnetic wave but still it looks like violating faraday law and Ampere law.
According to Faraday's law of induction and Ampere's law, a changing magnetic field causes curl of electric field simultaneously; and also a changing electric field causes curl of magnetic field simultaneously. By combining these equations, the equation of electromagnetic wave is derived. I thought I understood completely until I realize I didn't get how the light travels straight line if one causes curl of another. I saw visualization of electromagnetic wave but still it looks like violating faraday law and Ampere law.
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