# energy levels of hydrogen atom

The above is a schematic diagram of the energy levels of a hydrogen atom, where $$\lambda_1$$ and $$\lambda_2$$ are the wavelengths of the electromagnetic waves released when the electron transition from $$n=4$$ to $$n=3,$$ or from $$n=4$$ to $$n=1,$$ occurs. Which of the following statements is correct?

a) The wavelength $$\lambda_1$$ is longer than the wavelength $$\lambda_2$$.

b) The electromagnetic wave released when the electron transition from $$n=4$$ to $$n=3$$ occurs is a visible light.

c) The electron at $$n=4$$ releases more energy when it transits to $$n=3$$ than when it transits to $$n=1$$.

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