All India Engineering / Architecture Entrance Examination (AIEEE)
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AIEEE 2008 Physics
Q. 27. Relative permittivity and permeability of a material are 
respectively. Which of the following values of these quantifies are allowed for a diamagnetic material?
Sol:
Q. 28. A planet in a distant solar system is 10 times more massive than the earth and its radius is 10 times smaller. Given that the escape velocity from the earth is 11 km s-1, the escape velocity from the surface of the planet would be
- 110 km s-1
- 0.11 km s-1
- 1.1 km s-1
- 11 km s-1
Sol :
Q. 29. A thin rod of length 'L' is lying along the x-axis with its ends at x = 0 and x = L. Its linear density (mass/length) varies with x 
where 'n' can be zero or any positive number. If the position xCMof the centre of mass of the rod is plotted against 'n', which of the following graphs best approximates the dependence of xCM on n?
Sol:
