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18th November 2016, 05:15 PM
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Join Date: Aug 2012
Re: ISAT Solved Paper

As you are looking for old year solved question papers of ISAT Test, so I am providing question papers that helps you to crack it in once.

ISAT Test Solved Question Paper
Two hemispheresmade of glass (m = 1.5) are kept as shown in the figure. The radius of each hemisphere is R. The image of point O when looked at from the top is at a distance y from O. The value of y is given by :
(A) 0 (B) R/3 (C) 2R/3 (D) 4R/3
Ans. (C)

Themass density of a dusty planet of radiusR is seen to vary from its center as p(r) = P0(1 – r/R). The ratio of the forces experienced by a test particle of mass m at distances r = R/2 and r = 3R/2 is given by :
(A) 45/16 (B) 45/64 (C) 16/45 (D) 64/45
Ans. (A)

According to the Bohrmodel, the energy levels of aHydrogen atomcan be found bymaking two assumptions:
(i) the electronsmove in a circular orbit and (ii) the angular momentum of the electron in the nth energy level is quantized to have a value n 2/ h . The levels calculatedwith a nuclear charge Ze, with a single electron in the orbit are called Hydrogenic levels, Assume that the two electrons in the ground state of a Helium atom occupy the corresponding lowest Hydrogenic level.

Theminimum repulsive energy between the two electrons would then be
(A) 3.4 eV (B) 6.8 eV (C) 13.6 eV (D) 27.2 eV
Ans. (D)

If the Hydrogen atom ionization temperature isT, the temperature at which He atoms ionize completely (both electrons having left the atom) would be
(A) 8T (B) 4T (C) 6T (D) 2T
Ans. (A)

A small block is kept on frictionless horizontal table. A wooden plank pivoted at O but otherwise free to rotate pushes the block by applying a constant torque. Initially the angular speedw= 0. The coefficient of friction between the plank and the block is 0.2. If the block starts slipping 10s later, the angular speed of the block at that instant is
(A) 0.1 rad/s (B) 0.2 rad/s
(C) 0.02 rad/s (D) 0.01 rad/s
Ans. (C)


Attached Files
File Type: pdf ISAT Test Solved Question Paper.pdf (1.28 MB, 66 views)


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