Examination Papers for Science Schools and Classes |
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Página 23
... formula to the following case . ( 8. ) Ex . - 1st term is 5 , last term 62 , and number of terms 20. ( 6. ) * 9 . What is a logarithm ? Show that the sum of the logarithms of two given numbers is the logarithm of the product of those ...
... formula to the following case . ( 8. ) Ex . - 1st term is 5 , last term 62 , and number of terms 20. ( 6. ) * 9 . What is a logarithm ? Show that the sum of the logarithms of two given numbers is the logarithm of the product of those ...
Página 25
... formula- log . ( x + 1 ) = 2 log.x - log . ( - 1 ) - -2 1 1 + 2x2- --1 ' 32x2- What is the use of this formula ? ( 10. ) 1 3 + & c . } 2. Prove Demoivre's theorem for a positive integral index , and apply it to obtain the value of Sin60 ...
... formula- log . ( x + 1 ) = 2 log.x - log . ( - 1 ) - -2 1 1 + 2x2- --1 ' 32x2- What is the use of this formula ? ( 10. ) 1 3 + & c . } 2. Prove Demoivre's theorem for a positive integral index , and apply it to obtain the value of Sin60 ...
Página 32
... formula for comparing the density of a mixture of air and vapour with the density of dry air at the same temperature and under the same pressure . [ It may be assumed that the ratio of the density of vapour to that of dry air at the ...
... formula for comparing the density of a mixture of air and vapour with the density of dry air at the same temperature and under the same pressure . [ It may be assumed that the ratio of the density of vapour to that of dry air at the ...
Página 42
... formula of which is N2O3H1 ? ( 9. ) 4. What is the atomicity or equivalence of the following elements : - Chlorine , calcium , magnesium , silver , tin , lead , and arsenic ? ( 9. ) 5. If a mixture of manganic oxide ( peroxide of ...
... formula of which is N2O3H1 ? ( 9. ) 4. What is the atomicity or equivalence of the following elements : - Chlorine , calcium , magnesium , silver , tin , lead , and arsenic ? ( 9. ) 5. If a mixture of manganic oxide ( peroxide of ...
Página 44
... formula of this mineral . ( 12. ) you g . You have given to you dipotassic dichromate ( bichromate of potash ) ... formula , " " rational formula , " " constitutional formula . " ( 15. ) دو 99 q . Give examples of monatomic , diatomic ...
... formula of this mineral . ( 12. ) you g . You have given to you dipotassic dichromate ( bichromate of potash ) ... formula , " " rational formula , " " constitutional formula . " ( 15. ) دو 99 q . Give examples of monatomic , diatomic ...
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Página 36 - ... the ratio of the specific heat of air at constant pressure to the specific heat at constant volume.
Página 38 - I place a sheet of vulcanised india-rubber on a sheet of tinfoil, and a second sheet of tinfoil upon the rubber. I connect the lower sheet with the earth, and the upper one with the conductor of an electrical machine. What occurs when the machine is set in motion ? 4.
Página 37 - Water is part of the juice of the orange ; how do you suppose the water to be acted on when the two metals in the last experiment are connected together ? You must here state the composition of water, both by weight and volume.
Página 25 - The locus of the middle points of a system of parallel chords in a parabola is called a diameter.
Página 18 - TRIANGLES upon the same base, and between the same parallels, are equal to one another.
Página 21 - To construct a parallelogram equal to a given triangle and having one of its angles equal to a given angle.
Página 34 - Eight questions are to be attempted: two in acoustics; three in light; three in heat. In all cases the number of the question must be placed before the answer on the worked paper. Three hours are allowed for this paper. 1 . The velocity of sound in water is much greater than its velocity in air ; why is this the case ? 2. You are required to express numerically the elasticity of the air on the top of a mountain as high as Mont Blanc, on the top of a mountain as high as Ben Nevis, and at the sea level...
Página 18 - In all cases the number of the question must be placed before the answer on the worked paper. The value attached to each question is shown in brackets after the question.
Página 37 - Describe the gold-leaf electroscope, and state the principle of its action. 6. I grind sulphur in a mortar, and thus electrify it. I place some of the electrified powder on the plate of a gold-leaf electroscope ; the leaves diverge ; why ? since the sulphur is an insulator, and does not part with its electricity. I remove the powder by means of an insulator ; what will occur, and why will it occur ? 7.
Página 37 - You are to examine by means of a magnetic needle, the magnetic condition of a piece of soft iron. You are also to examine the condition of a piece of magnetic iron ore of the same size and shape as the iron. State some of the differences which are sure to show themselves between both.