Calendar: 1879-1880 Page 656
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G5G WARNEFORD SCHOLARSHIPS How would you determine the density of small solid bodj Describe the apparatus which you would require for the purpose State clearly the conditions requisite for the ascent of balloon and shew what would be the effect of variation of the barometric pressure on the lifting power of balloon partially filled with gas Describe the construction of standard barometer Explain why the reading in tube of large bore is not the same as the reading in tube of small bore and state the differences between mercurial and water barometers arising from the size of the tube Account for the resonance of column of air in an organ pipe of proper length when tuning-fork is held over the embouchure of the pipe State the laws of vibration of air in pipe for the fundamental and for the various subdivisions of an open pipe What are the musical intervals between the successive harmonics belonging to the same open pipe Explain the law of reflection of light from plane surface on the principles of the wave theory Shew that the path actually travelled by the light between two points before and after reflection is shorter than any other path drawn from the two points to point in the reflecting surface Explain how to determine the focal length of convex lens An arrow is placed at distance of inches from such lens of which the focal length is inches find the position and describe the character of the image of the arrow How much is the image magnified or diminished Describe the character of the spectrum from the electric arc and state in what respects it differs from the solar spectrum Account for the changes which are observed when spectroscope is directed to the body of the sun and is moved from one point to another over his surface
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