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JEE Advance 2015
Paper-2
Question
A closed vessel with rigid walls contains 1 mol of ${ }_{92}^{238} \mathrm{U}$ and 1 mol of air at 298 K . Considering complete decay of ${ }_{92}^{238} \mathrm{U}$ to ${ }_{82}^{206} \mathrm{~Pb}$, the ratio of the final pressure to the initial pressure of the system at 298 K is
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Showing 18 questions
QJEE Advance 20092009
The Henry's law constant for the solubility of $\mathrm{N}_2$ gas in water at 298 K is $1.0 \times 10^5 \mathrm{~atm}$....
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The packing efficiency of the two-dimensional square unit cell shown below is
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The concentration of potassium ions inside a biological cell is at least twenty times higher than the outside. The resulting...
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QJEE Advance 20122012
Let $a_n$ denote the number of all $n$-digit positive integers formed by the digits 0,1 or both such that no...
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Q JEE ADVANCE 20102010
Among the following, the intensive property is (properties are)
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QJEE Advance 20102010
Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule $B_2$ is
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QJEE Advance 20122012
Let $\mathrm{a}_{\mathrm{n}}$ denote the number of all n -digit positive integers formed by the digits 0,1 or both such that...
JEE AdvanceMathematicsEasy
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Q JEE ADVANCE 20102010
The reagent(s) used for softening the temporary hardness of water is(are)
JEE AdvanceChemistryEasy
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QJEE Advance 20132013
Consider the lines $L_1: \frac{x-1}{2}=\frac{y}{-1}=\frac{z+3}{1}, L_2: \frac{x-4}{1}=\frac{y+3}{1}=\frac{z+3}{2}$ and the planes $P_1: 7 x+y+2 z=3$, $P_2: 3 x+5 y-6 z=4$. Let...
JEE AdvanceMathematicsEasy
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Q JEE ADVANCE 20102010
Aqueous solutions of $\mathrm{HNO}_3, \mathrm{KOH}, \mathrm{CH}_3 \mathrm{COOH}$, and $\mathrm{CH}_3 \mathrm{COONa}$ of identical concentrations are provided. The pair (s) of solutions...
JEE AdvanceChemistryEasy
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QJEE Advance 20132013
Match List I with List II and select the correct answer using the code given below the lists :
JEE AdvanceMathematicsEasy
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QJEE Advance 20122012
Let $f(x)=(1-x)^2 \sin ^2 x+x^2$ for all $x \in$ IR and let $g(x)=\int_1^x\left(\frac{2(t-1)}{t+1}-\ell\right.$ nt $) f(t) d t$ for all...
JEE AdvanceMathematicsEasy
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QJEE Advance 20132013
A line $L: y=m x+3$ meets $y$ - axis at $E(0,3)$ and the arc of the parabola $...
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QJEE ADVANCE 20102010
The ionization isomer of $\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}\left(\mathrm{NO}_2\right)\right] \mathrm{Cl}$ is
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QJEE ADVANCE 20102010
In the Newman projection for 2,2-dimethylbutane
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QJEE Advance 20122012
Let $f(x)=(1-x)^2 \sin ^2 x+x^2$ for all $x \in$ IR and let $g(x)=\int_1^x\left(\frac{2(t-1)}{t+1}-\ell\right.$ nt $) f(t) d t$ for all...
JEE AdvanceMathematicsEasy
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QJEE Advance 20102010
The compounds P, Q and S
JEE AdvanceChemistryEasy
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QJEE Advance 20122012
Let $\alpha(a)$ and $\beta(a)$ be the roots of the equation $(\sqrt[3]{1+a}-1) x^2+(\sqrt{1+a}-1) x+(\sqrt[6]{1+a}-1)=0$ where $a>-1$. Then $...
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