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JEE Main 2019 (Online) 10th April Morning Slot

Exam Held on Wed Apr 10 2019 03:30:00 GMT+0000 (Coordinated Universal Time)
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Chemistry

Increasing rate of S<sub>N</sub>1 reaction in the following compounds is : <pict...
Amylopectin is compound of :
The regions of the atmosphere, where clouds form and where we live, respectively...
Ethylamine (C<sub>2</sub>H<sub>5</sub>NH<sub>2</sub>) can be obtained from N-eth...
Consider the following table :<br><br> <style type="text/css"> .tg {border-coll...
Consider the statements S1 and S2 <br>S1 : Conductivity always increases with de...
The isoelectronic set of ions is :
Consider the hydrated ions of Ti<sup>2+</sup>, V<sup>2+</sup>, Ti<sup>3+</sup>, ...
Major products of the following reaction are : <picture><source media="(max-widt...
The major product of the following reaction is : <picture><source media="(max-w...
The correct order of catenation is :
A bacterial infection in an internal wound grows as N'(t) = N<sub>0</sub> exp(t)...
A gas undergoes physical adsorption on a surface and follows the given Freundlic...
The alloy used in the construction of aircrafts is :
Consider the following statements <br>(a) The pH of a mixture containing 400 mL ...
At 300 K and 1 atmospheric pressure, 10 mL of a hydrocarbon required 55 mL of O<...
A process will be spontaneous at all temperatures if :
The principle of column chromatography is
At room temperature, a dilute solution of urea is prepared by dissolving 0.60 of...
The major product of the following reaction is : <picture><source media="(max-wi...
The species that can have a trans-isomer is : <br>(en = ehane-1, 2-diamine, ox =...
Match the refining methods (Column I) with metals (Column II). <style type="text...
Three complexes, <br>[CoCl(NH<sub>3</sub>)<sub>5</sub>] <sup>2+</sup>(I), <br>[C...
The synonym for water gas when used in the production of methanol is :
During the change of O<sub>2</sub> to O<sub>2</sub><sup>-</sup> , the incoming e...
The major product of the following reaction is : <picture><source media="(max-wi...
The oxoacid of sulphur that does not contain bond between sulphur atoms is
The graph between $${\left| \psi \right|^2}$$ and r (radial distance) is shown ...
The increasing order of the reactivity of the following compounds towards electr...
Which of the following is a condensation polymer ?

Mathematics

The region represented by| x – y | $$ \le $$ 2 and | x + y| $$ \le $$ 2 is bound...
All the pairs (x, y) that satisfy the inequality <br>$${2^{\sqrt {{{\sin }^2}x -...
If $$\alpha $$ and $$\beta $$ are the roots of the quadratic equation, <br>x<su...
If a &gt; 0 and z = $${{{{\left( {1 + i} \right)}^2}} \over {a - i}}$$, has mag...
If y = y(x) is the solution of the differential equation <br>$${{dy} \over {dx}...
If the length of the perpendicular from the point ($$\beta $$, 0, $$\beta $$) ($...
If $${\Delta _1} = \left| {\matrix{ x &amp; {\sin \theta } &amp; {\cos \theta...
Assume that each born child is equally likely to be a boy or a girl. If two fami...
Which one of the following Boolean expressions is a tautology ?
Let f(x) = x<sup>2</sup> , x $$ \in $$ R. For any A $$ \subseteq $$ R, define g ...
If $$\mathop {\lim }\limits_{x \to 1} {{{x^4} - 1} \over {x - 1}} = \mathop {\li...
If a directrix of a hyperbola centred at the origin and passing through the poin...
If Q(0, –1, –3) is the image of the point P in the plane 3x – y + 4z = 2 and R i...
If the circles x<sup>2</sup> + y<sup>2</sup> + 5Kx + 2y + K = 0 and 2(x<sup>2<...
The line x = y touches a circle at the point (1,1). If the circle also passes th...
The sum <br>$${{3 \times {1^3}} \over {{1^3}}} + {{5 \times ({1^3} + {2^3})} \ov...
The value of $$\int\limits_0^{2\pi } {\left[ {\sin 2x\left( {1 + \cos 3x} \right...
Let f : R $$ \to $$ R be differentiable at c $$ \in $$ R and f(c) = 0. If g(x) ...
If $$\int {{{dx} \over {{{\left( {{x^2} - 2x + 10} \right)}^2}}}} = A\left( {{{...
If$$f(x) = \left\{ {\matrix{ {{{\sin (p + 1)x + \sin x} \over x}} &amp; {,x &...
Let A (3,0, –1), B(2, 10, 6) and C(1, 2, 1) be the vertices of a triangle and M ...
If the coefficients of x<sup>2</sup> and x<sup>3</sup> are both zero, in the e...
If the system of linear equations <br>x + y + z = 5 <br>x + 2y + 2z = 6 <br>x + ...
If for some x $$ \in $$ R, the frequency distribution of the marks obtained by 2...
The number of 6 digit numbers that can be formed using the digits 0, 1, 2, 5, 7 ...
ABC is a triangular park with AB = AC = 100 metres. A vertical tower is situated...
If a<sub>1</sub>, a<sub>2</sub>, a<sub>3</sub>, ............... a<sub>n</sub> ar...
Let f(x) = e<sup>x</sup> – x and g(x) = x<sup>2</sup> – x, $$\forall $$ x $$ \in...
If the line x – 2y = 12 is tangent to the ellipse $${{{x^2}} \over {{a^2}}} + {{...
$$\mathop {\lim }\limits_{n \to \infty } \left( {{{{{(n + 1)}^{1/3}}} \over {{n^...

Physics

Figure shows charge (q) versus voltage (V) graph for series and parallel combina...
A current of 5 A passes through a copper conductor (resistivity = 1.7 × 10<sup>–...
In a meter bridge experiment, the circuit diagram and the corresponding observat...
A ball is thrown upward with an initial velocity V<sub>0</sub> from the surface ...
One plano-convex and one plano-concave lens of same radius of curvature 'R' but ...
A cylinder with fixed capacity of 67.2 lit contains helium gas at STP. The amoun...
A thin disc of mass M and radius R has mass per unit area $$\sigma $$(r) = kr<su...
Two coaxial discs, having moments of inertia I<sub>1</sub> and I<sub>1</sub>/2, ...
The electric field of a plane electromagnetic wave is given by<br> $$\overrighta...
A particle of mass m is moving along a trajectory given by<br> x = x<sub>0</sub>...
Two wires A &amp; B are carrying currents I<sub>1</sub> &amp; I<sub>2</sub> as s...
A proton, an electron, and a Helium nucleus, have the same energy. They are in c...
A message signal of frequency 100 MHz and peak voltage 100 V is used to execute ...
A ray of light AO in vacuum is incident on a glass slab at angle 60° and refract...
In an experiment, the resistance of a material is plotted as a function of tempe...
A transformer consisting of 300 turns in the primary and 150 turns in the second...
In a photoelectric effect experiment the threshold wavelength of the light is 38...
The displacement of a damped harmonic oscillator is given by<br> x(t ) = e<sup>–...
Two radioactive materials A and B have decay constants 10$$\lambda $$ and $$\lam...
A stationary source emits sound waves of frequency 500 Hz. Two observers moving ...
An npn transistor operates as a common emitter amplifier, with a power gain of 6...
A moving coil galvanometer allows a full scale current of 10–4A. A series resist...
The value of acceleration due to gravity at Earth's surface is 9.8 ms<sup>–2</su...
A uniformly charged ring of radius 3a and total charge q is placed in xy-plane c...
n moles of an ideal gas with constant volume heat capcity C<sub>V</sub> undergo ...
In the given circuit, an ideal voltmeter connected across the 10$$\Omega $$ resi...
A 25 × 10<sup>–3</sup> m<sup>3</sup> volume cylinder is filled with 1 mol of O<s...
Given below in the the left column are different modes of communication using th...
The ratio of surface tensions of mercury and water is given to be 7.5 while the ...
Two particles, of masses M and 2M, moving, as shown, with speeds of 10 m/s and 5...

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