Question

calculate the energy equivalent to 1 mg in electron volt​

Answer 1

❡✺ℓṳ Պ✺ℓℵ!ℵ❡..

m = 1 mg = 10^6 kg

c = 3 ×10^8 m/s

E = mc^2 ,

we get,

E = 10^-6 ×9 ×10^16

= 9 × 10^10 j

= 9 × 10^10 / 1.6 × 10 ^-19 eV

= 5.625 × 10^29 eV

Answer 2

refer to above attachment ......✌✌