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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A sky wave with a frequency 55 MHz is incident on D-region of earth’s atmosphere at 45. The angle of refraction is (electron density for D-region is 400 electron/cm^3)

A sky wave with a frequency 55 MHz is incident on D-region of earth’s atmosphere at 45. The angle of refraction is (electron density for D-region is 400 electron/cm^3)

A sky wave with a frequency 55 MHz is incident on D-region of earth's atmosphere at 45. The angle of refraction is (electron density for D-region is 400 electron/cm^3)