Physics
Excited atoms return to their ground state in_______________?
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Semi-conductors with donor atoms and free electrons belong to the type________________?
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Unit vector is used to specify the _____________?
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Unit of power is_________?
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Which has highest specific heat?
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The final phase of a star’s evolution is determined by the star’s:
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Temperature scales are based on_________________?
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The diameter of a lens is called________________?
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Two convex lenses of equal focal length f are placed in contact the resultant focal length is______________?
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