Question

the vacuum inside an incandescent lamp is of the other of​

Answer 1

THE ANSWER IS [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  

[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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