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IIT JEE 2012 PAPER 2 OFFLINE
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60
Duration
180 mins
Package
IIT-JEE Advance - Previous Year Papers
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60questions
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16
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60questions
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2012 · Physics · Mechanics · Rotational Motion
IIT JEE 2012 PAPER 2 OFFLINE
Which of the following statements about the instantaneous axis (passing through the centre of mass) is correct?
2012 · Chemistry · Physical Chemistry · Solutions
IIT JEE 2012 PAPER 2 OFFLINE
For a dilute solution containing 2.5 g of a non-volatile non-electrolyte solute in 100 g of water. the elevation in boiling point at 1 atm pressure is 2oC. Assuming concentration of solute is much lower than the concentration of solvent, the vapour pressure (mm of Hg) of the solution is (take Kb = 0.76 K Kg mol-1)
2012 · Mathematics · Algebra · Permutations And Combinations
IIT JEE 2012 PAPER 2 OFFLINE
Let \({{a_n}}\) denote the number of all n-digit positive integers formed by the digits 0, 1 or both such that no consecutive digits in them are 0.Let \({{b_n}}\) = the number of such n-digit integers ending with digit 1 and \({{c_n}}\) =the number of such n-digit integers ending with digit 0.
The value of \({{b_6}}\) is
2012 · Physics · Mechanics · Rotational Motion
IIT JEE 2012 PAPER 2 OFFLINE
Two identical discs of same radius R are rotating about their axes in
opposite directions with the same constant angular speed \(\omega\). The
discs are in the same horizontal plane. At time t = 0, the points P
and Q are facing each other as shown in the figure. The relative
speed between the two points P and Q is vr. In one time period (T)
of rotation of the discs, vr as a function of time is best represented
by
A
B
C
D
2012 · Chemistry · Physical Chemistry · Thermodynamics
IIT JEE 2012 PAPER 2 OFFLINE
Using the data provided, calculate the multiple bond energy (kJ mol\(-\)1) of a C=C bond in C2H2. That energy is (take the bond energy of C-H bond as 350 kJ mol\(-\)1).
$$\matrix{ \hfill {2C(s) + {H_2}(g) \to {C_2}{H_2}} & \hfill {\Delta H = 225\,kJ\,mo{l^{ - 1}}} \cr \hfill {2C(s) \to 2C(g)} & \hfill {\Delta H = 1410\,kJ\,mo{l^{ - 1}}} \cr \hfill {{H_2}(g) \to 2H(g)} & \hfill {\Delta H = 330\,kJ\,mo{l^{ - 1}}} \cr }$$
2012 · Mathematics · Algebra · Sequences And Series
IIT JEE 2012 PAPER 2 OFFLINE
Let \({a_1},{a_2},{a_3},.....\) be in harmonic progression with \({a_1} = 5\) and \({a_{20}} = 25.\) The least positive integer \(n\) for which \({a_n} < 0\) is