An α – particle is projected with an energy of 4 MeV directly towards gold nucleus. Calculate the distance of its closest approach, (gold z = 79)
A. 5.688 × 10-14 m
B. 7.699 × 10-14 m
C. 5.688 × 10-14m
D. 7.699 × 10-14 m
Answer:A
An α – particle is projected with an energy of 4 MeV directly towards gold nucleus. Calculate the distance of its closest approach, (gold z = 79)
A. 5.688 × 10-14 m B. 7.699 × 10-14 m C. 5.688 × 10-14m D. 7.699 × 10-14 m