600-nm light is incident on a defraction grating with a ruling separation of 1.7 *10^-⁶ m. The second order line occurs at a diffraction angle of: A) 0 B) 10$\degree$ C) 21$\degree$ D) 42$\degree$ E) 45$\degree$

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The Answer of 600-nm light is incident on a defraction grating with a ruling separation of 1.7 *10^-⁶ m. The second order line occurs at a diffraction angle of: A) 0 B) 10$\degree$ C) 21$\degree$ D) 42$\degree$ E) 45$\degree$

600-Nm Light Is Incident on a Defraction Grating with a Ruling