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JEE Main 2019 (Online) 12th April Evening Slot

Exam Held on Fri Apr 12 2019 09:30:00 GMT+0000 (Coordinated Universal Time)
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Chemistry

Among the following, the INCORRECT statement about colloids is :
In the following skew conformation of ethane, H'–C–C–H'' dihedral angle is : <im...
An 'Assertion' and a 'Reason' are given below. Choose the correct answer from th...
The IUPAC name for the following compound is : <img src="https://imagex.cdn.exam...
The C–C bond length is maximum in :
What will be the major product when m-cresol is reacted with propargyl bromide (...
The decreasing order of electrical conductivity of the following aqueous solutio...
Among the following, the energy of 2s orbital is lowest in :
The coordination numbers of Co and Al in [Co(Cl)(en)<sub>2</sub>]Cl and K<sub>3<...
25 g of an unknown hydrocarbon upon burning produces 88 g of CO<sub>2</sub> and ...
Thermal decomposition of a Mn compound (X) at 513 K results in compound Y, MnO<s...
The INCORRECT match in the following is :
The primary pollutant that leads to photochemical smog is :
The INCORRECT statement is :
The correct statement is :
The pair that has similar atomic radii is :
NO<sub>2</sub> required for a reaction is produced by the decomposition of N<sub...
Which of the given statements is <b>INCORRECT</b> about glycogen?
The correct name of the following polymer is : <img src="https://imagex.cdn.exam...
A solution is prepared by dissolving 0.6 g of urea (molar mass = 60 g mol<sup>–1...
Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. ...
Consider the following reactions : <br><img src="https://imagex.cdn.examgoal.ne...
The ratio of number of atoms present in a simple cubic, body centered cubic and ...
In comparison to boron, berylium has :
The temporary hardness of a water sample is due to compound X. Boiling this samp...
The compound used in the treatment of lead poisoning is :
In which one of the following equilibria, K<sub>p</sub> $$ \ne $$ K<sub>C</sub> ...
The molar solubility of Cd(OH)<sub>2</sub> is 1.84 × 10<sup>–5</sup> M in water...
Which one of the following is likely to give a precipitate with AgNO<sub>3</sub>...
Benzene diazonium chloride on reaction with aniline in the presence of dilute hy...

Mathematics

Let $$a \in \left( {0,{\pi \over 2}} \right)$$ be fixed. If the integral <br>$$...
The general solution of the differential equation (y<sup>2</sup> – x<sup>3</sup>...
The equation of common tangent to the curves y<sup>2</sup> = 16x and xy = –4, i...
A plane which bisects the angle between the two given planes 2x – y + 2z – 4 = 0...
A triangle has a vertex at (1, 2) and the mid points of the two sides through it...
The Boolean expression ~(p $$ \Rightarrow $$ (~q)) is equivalent to :
If the area (in sq. units) bounded by the parabola y<sup>2</sup> = 4$$\lambda $...
Let A, B and C be sets such that $$\phi $$ $$ \ne $$ A $$ \cap $$ B $$ \subseteq...
If $$\alpha $$, $$\beta $$ and $$\gamma $$ are three consecutive terms of a non-...
If <sup>20</sup>C<sub>1</sub> + (2<sup>2</sup>) <sup>20</sup>C<sub>2</sub> + (3<...
The length of the perpendicular drawn from the point (2, 1, 4) to the plane cont...
A person throws two fair dice. He wins Rs. 15 for throwing a doublet (same numbe...
A circle touching the x-axis at (3, 0) and making an intercept of length 8 on th...
Let $$\alpha $$ $$ \in $$ R and the three vectors $$\overrightarrow a = \alpha ...
If [x] denotes the greatest integer $$ \le $$ x, then the system of linear equat...
The tangents to the curve y = (x – 2)<sup>2</sup> – 1 at its points of intersect...
A group of students comprises of 5 boys and n girls. If the number of ways, in w...
An ellipse, with foci at (0, 2) and (0, –2) and minor axis of length 4, passes t...
For an initial screening of an admission test, a candidate is given fifty proble...
A straight line L at a distance of 4 units from the origin makes positive interc...
A value of $$\alpha $$ such that <br>$$\int\limits_\alpha ^{\alpha + 1} {{{dx} ...
$$\mathop {\lim }\limits_{x \to 0} {{x + 2\sin x} \over {\sqrt {{x^2} + 2\sin x ...
The derivative of $${\tan ^{ - 1}}\left( {{{\sin x - \cos x} \over {\sin x + \co...
Let S be the set of all $$\alpha $$ $$ \in $$ R such that the equation, cos2x + ...
The angle of elevation of the top of a vertical tower standing on a horizontal p...
A value of $$\theta \in \left( {0,{\pi \over 3}} \right)$$, for which <br>$$\l...
Let z $$ \in $$ C with Im(z) = 10 and it satisfies $${{2z - n} \over {2z + n}}$$...
Let f(x) = 5 – |x – 2| and g(x) = |x + 1|, x $$ \in $$ R. If f(x) attains maximu...
If a<sub>1</sub>, a<sub>2</sub>, a<sub>3</sub>, ..... are in A.P. such that a<su...
The term independent of x in the expansion of <br>$$\left( {{1 \over {60}} - {{{...

Physics

In the given circuit, the charge on 4 $$\mu $$F capacitor will be : <img src="ht...
A particle is moving with speed v = b$$\sqrt x $$ along positive x-axis. Calcula...
A transparent cube of side, made of a material of refractive index $$\mu $$<sub>...
A Carnot engine has an efficiency of $${1 \over 6}$$. When the temperature of th...
Consider an electron in a hydrogen atom revolving in its second excited state (h...
Consider the LR circuit shown in the figure. If the switch S is closed at t = 0 ...
Let a total charge 2Q be distributed in a sphere of radius R, with the charge de...
A system of three polarizers P<sub>1</sub>, P<sub>2</sub>, P<sub>3</sub> is set ...
A smooth wire of length 2$$\pi $$r is bent into a circle and kept in a vertical ...
In an amplitude modulator circuit, the carrier wave is given by, C(t) = 4 sin(20...
A diatomic gas with rigid molecules does 10 J of work when expanded at constant ...
A plane electromagnetic wave having a frequency v = 23.9 GHz propagates along th...
The electron in a hydrogen atom first jumps from the third excited state to the ...
One kg of water, at 20<sup>o</sup>C, heated in an electric kettle whose heating ...
A block of mass 5 kg is (i) pushed in case (A) and (ii) pulled in case (B), by a...
A solid sphere, of radius R acquires a terminal velocity v<sub>1</sub> when fall...
A moving coil galvanometer, having a resistance G, produces full scale deflectio...
Two sources of sound S<sub>1</sub> and S<sub>2</sub> produce sound waves of same...
Half lives of two radioactive nuclei A and B are 10 minutes and 20 minutes, resp...
A tuning fork of frequency 480 Hz is used in an experiment for measuring speed o...
A small speaker delivers 2 W of audio output. At what distance from the speaker ...
The number density of molecules of a gas depends on their distance r from the or...
An electron, moving along the x-axis with an initial energy of 100 eV, enters a ...
A uniform cylindrical rod of length L and radius r, is made from a material whos...
Find the magnetic field at point P due to a straight line segment AB of length 6...
A spring whose unstretched length is l has a force constant k. The spring is cut...
The ratio of the weights of a body on the Earth’s surface to that on the surface...
Three particles of masses 50 g, 100 g and 150 g are placed at the vertices of an...
Figure shows a DC voltage regulator circuit, with a Zener diode of breakdown vol...
Two particles are projected from the same point with the same speed u such that ...

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