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CSS Solved Papers
Physics Chemistry

Engineering :: Energy Conversion

  The vacuum inside a incandescent lamp is of the order of
[A]. 10-2 mm Hg[B]. 10-3 mm Hg
[C]. 10-4 mm Hg[D]. 10-5 mm Hg
[E]. 10-6 mm Hg    

Answer: Option C
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