Question

solve this... plz it's needed urgently​

Answer 1

point c is the correct ans

Answer 2

Answer:

E = 1.02MeV

E = 1.02 ×10⁶ ×1.60×10-¹⁹

E = 1.63×10-¹³

E = hf

f = 1.63×10-¹³/6.63×10-³⁴

f = 2.47×10²⁰Hz