Calendar: 1899-1900 Page 818
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clxvi ENTRANCE EXHIBITIONS Hfluuvalogii Give an account of the characters of holohedral and י hemihedral forms in tlio cubic system Mention minerals which illustrate these forms oi Explain the relations of crystallographic axes to crystal faces in the cubic and other crystal systems ט £ Give examples of specific gravity of minerals and state how it is ascertained Describe polarization of light and show how it may be demonstrated with Nicol prisms Mention examples of different hardness in minerals and explain the property Discuss double refraction in minerals io Explain the influence of chemical composition in rock upon the kinds of minerals of which it consists Briefly describe any five minerals S1tftMtccrftt0 entrance Bfhihitiom -algebra Define multiple power index Explain how the first definitions of power and index become inappropriate and shew how their further meanings are arrived at If 2י are three quantities in the ratio Υ and if Υ Ζ are prime to one another prove that the of any pair of is the of all three and if the of all three is the square of their find
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