Question

An atom absorbs 2eV energy and is excited to next energy state. The wavelength of light absorbed will be –

• A. 2000 Å
• B. 4000 Å
• C. 8000 Å
• D. 6206 Å

Answer 1

Answer: (D)

6206 Å

Answer 2

l = $\frac{12420}{E}$ , l = $\frac{12420}{2eV}$Å