Question

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

• A. $X$ -ray spectra Charge on the nucleus
• B. $\alpha$ -particle scattering Quantized electron orbit
• C. Emission spectra The quantization of energy
• D. The photoelectric effect The nuclear atom

Answer 1

Answer: (C)

Emission spectra The quantization of energy

Answer 2

Emission spectra of different $\lambda$ accounts for quantisation of energy