AP SSC 10th class General Science Model paper 2015-16 English Medium Set 6
Group – A
1.Write about laws of refraction.
2.A person is viewing an extended object. If a converging lens is placed infront of his eye, will he feel that the size of object has increased ? Why ?
3.What are ohmic and non-ohmic conductors ? Give examples.
4.A force of 8N acts on a rectangular conductor 20 cm long placed perpendicular to a magnetic field. Determine the magnetic field induction if the current in the conductor is 40 A.
Group – B
5.What is the difference between displacement and double displacement reactions ?Write equations for these reactions ?
6.Draw the shapes of â€˜p’ orbitals.
7.Define the terms i) gangue ii) slag.
8.What is an orbital ? How is it different from Bohr’s orbit ?
9.Write the principle of method of mixtures.
10.On what factors does the refractive index of a medium depend ?
11.V – is the potential difference between the ends of a conductor and i is the current passing through it. Draw the graph. What is the shape of that graph ?
12.What do you mean by precipitation reaction ?
13.Name the carboxylic acid used as a preservative.
14.The wave length of a radio wave is 1.0 m. Find its frequency.
Group – A
15.How do you appreciate the role of the higher specific heat of water in stabilising atmospheric temperature during winter and summer seasons ?
16.How do you verily experimentally that the angle of refraction is more than angle of incidence when light rays travel from denser to rarer medium.
17.Deduce the expression for the equivalent resistance of three resistors connected in parallel.
18.Explain the correction of the eye defect hypermetropia.
Group – B
19.Balance the following chemical equations including the physical states.
20.A milkman adds a very small amount of baking soda to fresh milk.
a)Why does he shift the pH of the fresh milk from 6 to slightly alkaline ?
b)Why does the milk take a long time to set as curd ?
21.Write a note on dressing of ore in metallurgy ?
22.Two carbon compounds A and B have molecular formula C3Hg and C3H6 Which one of the two is most likely to show addition ? Justify your answer.
23.Draw ray diagram to show the formation of images by a convex lens,
i)when the object located at the focal point.
ii)object placed between focal point and optic centre.
24.Draw Moeller’s chart showing the increasing order of energy levels of various orbitals.
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