Suppose you are measuring the surface tensions of water and mercury separately by capillary-rise method at room temperature. How would you answer briefly the following statements? i. Which one of them would rise/fall in the glass capillary? ii. What would be shape of meniscus of each? iii. Which one would have large value of wetting angle? b) Write down the mathematical expressions for ‘surface tension’ and ‘capillary rise’ of a liquid

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Crystallography

Crystallography is the category of science that focuses on the atomic and molecular arrangements with their bonding constituting the crystal structure. It is derived experimentally and originated in the year 1912. It is a combination of two words; those are crystal, meaning a cold drop, and graph, meaning writing.