[بلسم الخير]

1.What is the wavelength (λ) of radiation that has a frequency of 39.6 x 1015 Hz?

0.08 x 10-5 cm
0.08 x 10-6 cm
0.28 x 10-6 cm
... 0.28 x 10-5 cm




السؤال الثاني في ملخصات اليسد..

wich of the following electronic transitions would emit the lowest energy photon?

1-n=5 to n=2
2-n=5 to n=1
3-n=5 to n=3
4-n=5 to n=4



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