How long can an electric lamp of 100 W be kept glowing by fusion o | Filo
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Class 12

Biology

Cell: Structure and Functions

Nuclei

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How long can an electric lamp of 100 W be kept glowing by fusion of 2.0 kg of deuterium? Take the fusion reaction as :
.

Solution: Number of atoms in 2 kg deuterium =
Energy released when 2 atoms fuse =
Thus, total energy released = .
Energy consumed by bulb per second=.
Thus, time for which the bulb glows = .
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