Physics, asked by sai642, 1 year ago

a green light wave length 525 nm determine the energy in jouls

Answers

Answered by Iamkeetarp

1

E = 1240/w.l
E = 1240/520 = 2.4eV

sai642: how u get e 1240

Iamkeetarp: its derived from E = hc / lambda

Iamkeetarp: and for eV multiply and devivde with e

sai642: pls Slove step vise

Iamkeetarp: put h = 6.6*10^-34 , c = 3*10^8 , e = 1.6*10^-19

Iamkeetarp: in formula

Iamkeetarp: and get ur ans...

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