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| 1. |
The energy of photon of light having frequency of 3 10's is A 1.99 x 10 B 1.99 x 10-17 с 1.99 x 10 'Tergs D 1.99 x 10 ergs |
| Answer» ANSWERIF frequency =3×10 5 HZ E=hv=6.626×10 −34 J/s−1×3×10 5 =19.878×10 −29 JIF λ=0.5×10 −10 we know c=λvv=3×10 8 /0.5×10 −10 =6×10 18 E=hv | |