Calendar: 1850-1851 Page 330

26 APPLIED SCIENCES 11 What was the method employed by Melloni for measuring the intensity of radiant heat 12 What is the construction of Daniell's Register Pyrometer 13 What is there peculiar in the expansion of water in heat between 32 and 212 Mention the circumstances which may affect the congealing point of water 14 Explain what you understand by the latent heat of vapours State if any and what relation between the latent heat and the bulk of the liquid and the vapour it furnishes has been observed 15 Explain the mode of using the gold-leaf Electroscope for distinguishing the kind of electricity in an excited body 16 What is meant by the diffusiveness of gas State the law of diffusion 17 How is the pointing of magnetic needle accounted for Explain what is meant by the term Polarity Euclid Book Prop XXIV Euclid Book Prop VII Euclid Book 11 Prop IV If χ -f- ζ -f- η χ ζ δ ζ ρ find χ and ζ person finds that he is half as long again in rowing mile up and mile down stream as he is in rowing two miles in still water show that his velocity velocity of stream -γ What value must be given to that a3 x2 -j- χ -f- may be square If PQ be drawn parallel to the base of the triangle ABC and Α Ρ Β be joined their point of intersection will be in the line CD drawn from bisecting the base Find when ay2 χy x2 χ fy can be resolved into two simple factors IV