Question

Q280) Calculate the energy in joule corresponding to light of wavelength 45 nm: (Planck's constant h = 6.63 × 10^{–34} Js; speed of light c = 3 × 10^{8} ms^{–1}) [AIPMT-2014]

Q280) Calculate the energy in joule corresponding to light of wavelength 45 nm: (Planck's constant h = 6.63 × 10

SOLUTION

Use formula E = hc/λ

Answer:(d)