Explain why an external magnetic field leads to the splitting of energy levels by amounts of the order of u, b. (b) explain the following terms. your answer should indicate the circumstances under which each effect is observed. (i) normal zeeman effect (ii) anomalous zeeman effect (iii) paschen-bach effect (c) (i) a 500 nm spectral line splits into three lines with spacing 0.05 nm. what is the value of the magnetic field? (ii) into which of the above three categories does this example fall?

hail is a solid form of precipitation composed of large, layered ice particles called pellets that often have spherical shapes. this phenomenon occurs during thunderstorms in the could type known as cumulus

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graph slopes whilst gas cools, then it is flat whilst conensation to liquid happens, the coolong liquid then graphs as a slope when it solidifies graph is flat

latent heat

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.