Example: the threshold temperature above which the thermonuclear reaction he+he he +2h+ 12.86 mev can occur is (use e/4tte 1.44x 10-15 mev-fm) (gate physics 200

Example: The threshold temperature above which the thermonuclear reaction He+He He +2H+ 12.86 MeV can occur is (use e/4TtE 1.44x 10-15 MeV-fm) (GATE Physics 2005) (A) 1.28 x 1010 K 1.28x 10 K (B) 1.28 x 109 K (C) (D) 1.28 x 107 K