A. very high temperature is required for fusion
B. the raw materials for fusion are easily obtained
C. Energy obtained from fusion is relatively small
D. the by-products of fusion is very dangerous

Correct Answer: Option C

C. Energy obtained from fusion is relatively small

SEE ALSO  A metal is illuminated with a radiation of energy 6.88eV. If the kinetic energy of the emitted electrons is 1.5OeV; calculate the work function of the metal.

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