AIEEE 2008 Paper With Solutions

AIEEE–2008, PAPER(CODE−5)
Note: (i) The test is of 3 hours duration.
(ii) The test consists of 105 questions of 3 marks each. The maximum marks are 315.
(iii) There are three parts in the question paper. The distribution of marks subjectwise in each part is as under for each correct response.
Part A − Mathematics (105 marks) − 35 Questions
Part B − Chemistry (105 marks) − 35 Questions
Part C − Physics (105 marks) − 35 Questions
(iv) Candidates will be awarded three marks each for indicated correct response of each question. One mark will be deducted for indicated incorrect response of each question. No deduction from the total score will be made if no response is indicated for an item in the Answer Sheet.

PHYSICS QUESTIONS

1. This question contains Statement -1 and Statement-2. Of the four choices given after the statements, choose the one that best describes the two statements.
Statement – I:
Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion. and
Statement – II
For heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei it decrease with increasing Z.
(1) Statement – 1is false, Statement – 2 is true.
(2) Statement – 1is true, Statement – 2 is true; Statement -2 is correct explanation for Statement-1.
(3) Statement – 1is true, Statement – 2 is true; Statement -2 is not a correct explanation for Statement-1.
(4) Statement – 1 is true, Statement – 2 is False.
Sol. (4)
2. This question contains Statement -1 and Statement-2. Of the four choices given after the statements,
choose the one that best describes the two statements.
Statement – I:
For a mass M kept at the centre of a cube of side ‘a’, the flux of gravitational field passing through its sides is 4π GM. and
Statement – II
If the direction of a field due to a point source is radial and its dependence on the distance ‘r’ for the
source is given as 1/r2, its flux through a closed surface depends only on the strength of the source
enclosed by the surface and not on the size or shape of the surface
(1) Statement – 1is false, Statement – 2 is true.
(2) Statement – 1is true, Statement – 2 is true; Statement -2 is correct explanation for Statement-1.
(3) Statement – 1is true, Statement – 2 is true; Statement -2 is not a correct explanation for
Statement-1.
(4) Statement – 1 is true, Statement – 2 is False.
Sol. (2)

3.A working transistor with its three legs marked P, Q and R is tested using a multimeter. No conduction is found between P and Q. By connecting the common (negative) terminal of the multimeter to R and the other (positive) terminal to P or Q, some resistance is seen on the multimeter. Which of the following is true for the transistor?
(1) It is an npn transistor with R as base (2) It is a pnp transistor with R as collector
(3) It is a pnp transistor with R as emitter (4) It is an npn transistor with R as collector

4.An experiment is performed to find the refractive index of glass using a travelling microscope. In this
experiment distance are measured by (1) a vernier scale provided on the microscope (2) a standard laboratory scale
(3) a meter scale provided on the microscope (4) a screw gauage provided on the microscope

5. Two full turns of the circular scale of a screw gauge cover a distance of 1 mm on its main scale. The total number of divisions on the circular scale is 50. Further, it is found that the screw gauge has a zero error of − 0.03 mm while measuring the diameter of a thin wire, a student notes the main scale reading of 3 mm and the number of circular scale divisions in line with the main scale as 35. The diameter of the wire is
(1) 3.32 mm (2) 3.73 mm
(3) 3.67 mm (4) 3.38 mm

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