1.Display sum of class and section, grouping it based on class and also arrange it in descending order with respect to class.
2. Write a command to display the name, class and average marks of the students who are in class 10 or 11 and have average marks lesser than 200. Group by name.
3. Display tables named ‘student’ and ‘sports’. (mysql)
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Spectroscopy is the study of the interaction between matter and electromagnetic radiation as a function of the wavelength or frequency of the radiation. In simpler terms, spectroscopy is the precise study of color as generalized from visible light to all bands of the electromagnetic spectrum; indeed, historically, spectroscopy originated as the study of the wavelength dependence of the absorption by gas phase matter of visible light dispersed by a prism.
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