Question

The energy of a photon of green light of wavelength $5000A^o$ is

• A. $3.459\times {10}^{-19}joule$
• B. $3.973\times {10}^{-19}joule$
• C. $4.132\times {10}^{-19}joule$
• D. $8453\times {10}^{-19}joule$

Answer 1

The correct option is B $3.973\times {10}^{-19}joule$

E=hc/λ=6.6×10−34×3×108/5000×10−10E=hc/λ=6.6×10−34×3×108/5000×10−10