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Q1. A parallel-plate capacitor is formed from two 2.0 {rm cm} times 2.0 {rm cm} electrodes spaced 5.0 {rm mm} apart. The electric field strength inside capacitor is 1.0 times10^ {6} ;{rm{N/C}}.
What is the charge (in {rm nC}) on positive electrode?
What is the charge (in {rm nC}) on negative electrode?
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A broad beam of light of wavelength 642 nm is incident at 90° on a thin, wedge-shaped film with the index of refraction 1.50. An observer intercepting light transmitted by the film sees 17 bright and 16 dark fringes along the length of the film. B..
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