In which one of the following pairs of experimental observations and phenomemnon does the experimental observation correctly account for phenomenon does the experimental observation correctly account for phenomenon

In which one of the following pairs of experimental observations and p

1.	In which one of the following pairs of experimental observations and phenomemnon does the experimental observation correctly account for phenomenon does the experimental observation correctly account for phenomenon
Answer» `{:("Experimental OBSERVATION","Phenomenon"),("X-ray SPECTRA","Charge on the nucleus"):}` `{:("Experimental observation","Phenomenon"),(alpha"-PARTICLE scattering","Quantized electron orbit"):}` `{:("Experimental observation","Phenomenon"),("Emission spectra","The quantization of energy "):}` `{:("Experimental observation","Phenomenon"),("The photoelectric effect","The nuclear atom"):}` Solution :Emission spectra of different `lambda` accounts for QUANTISATION of energy