AP SSC 10th class General Science Model paper 2015-16 English Medium Set 8
Group – A
1.Find the distance of the image when an object is placed on the principal axis at a distance of 10 cm in front of a concave mirror whose radius of curvature is 8 cm.
2.You have a lens. Suggest an experiment to find out the focal length of the lens.
3.Write the difference between potential difference and emf.
4.How do you appreciate the relation between magneticfield and electricity that changed the life style of mankind ?
Group – B
5.What is a balanced chemical equation ? Why should chemical equation be balanced?
6.What is a neutralization reaction ? Give two examples.
7.In an atom the number of electrons in M-shell is equal to the number of electrons in the K and L shell.
Answer the following questions.
a)Which is the outer most shell ?
b)How many electrons are there in its outermost shell ?
c)What is the atomic number of element ?
d)Write the electronic configuration of the element.
8.Write the reactions in blast furnance.
9.Suppose that 1of water is heated for a certain time to rise and its temperature by 2°C. If 21of water is heated for the same time, by how much will its temperature rise?
10.When we sit at a camp fire, objects beyond the fire are seen swaying. Give the reasons for it.
11.Name two types of cells in the retina of an eye which respond to light.
12.What are Halogen elements ?
13.Write the Hund’s principle.
14.Name the simplest Ketone and write its molecular formula ?
Group – A
15.Make a solar cooker and explain the process of making.
16.Derive an expression for the refractive index of the material of a prism.
17.A uniform wire of resistance 100Q is melted and recast into wire of length double that of the original. What would be the resistance of the new wire formed ?
18.Explain the working of electric motor with a neat diagram.
Group – B
19.The electronic configuration of an element is ls22s22p63s23p5.
i).What is the name of an element ?
ii).What is the nearest inert gas element ?
iii)What is the valence of element ?
iv)What are four quantum number for differentiations electron ?
20.How bond energies and bond lengths of molecule helps us in predicting their chemical properties ? Explain with examples.
21.Plaster of paris should be stored in moisture – proof container. Explain why ? Give two important uses of Plaster of Paris.
22.Give the structural formula for the following compounds.
a) Butan – 1 – ol b) Cyclo butane c) 2, 3 – dichloro butane d) Heptan – 2 – one
23.Draw the refraction of light through a glass slab with a neat ray diagram and label the parts.
24.Draw the diagram showing Froth floatation and label the parts.
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