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JEE Main 2019 (Online) 9th April Evening Slot

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

Increasing order of reactivity of the following compounds for S<sub>N</sub>1 sub...
The one that is not a carbonate ore is :
The amorphous form of silica is :
During compression of a spring the work done is 10kJ and 2kJ escaped to the surr...
The major products A and B for the following reactions are, respectively: <pictu...
Which one of the following about an electron occupying the 1s orbital in a hydro...
The maximum possible denticities of a ligand given below towards a common transi...
The correct statements among I to III regarding group 13 element oxides are,<br>...
Among the following species, the diamagnetic molecule is
The peptide that gives positive ceric ammonium nitrate and carbylamine tests is ...
<b>Assertion: </b>For the extraction of iron, haematite ore is used.<br><br> <b>...
10 mL of 1mM surfactant solution forms a monolayer covering 0.24 cm<sup>2</sup> ...
At a given temperature T, gases Ne, Ar, Xe and Kr are found to deviate from idea...
A solution of Ni(NO<sub>3</sub>)<sub>2</sub> is electrolysed between platinum el...
Consider the given plot of enthalpy of the following reaction between A and B.<b...
In the following reaction <picture><source media="(max-width: 320px)" srcset="ht...
The structures of beryllium chloride in the solid state and vapour, phase, respe...
Which of the following potential energy (PE) diagrams represents the S<sub>N</su...
The major product of the following reaction is: <picture><source media="(max-wid...
The maximum number of possible oxidation states of actinoides are shown by
Molal depression constant for a solvent is 4.0 kg mol<sup>–1</sup>. The depressi...
Noradrenaline is a/an
p-Hydroxybenzophenone upon reaction with bromine in carbon tetrachloride gives:
Hinsberg's reagent is :
In an acid-base titration, 0.1 M HCl solution was added to the NaOH solution of ...
The correct statements among I to III are :<br> (I) Valence bond theory cannot e...
Which of the following compounds is a constituent of the polymer <picture><sourc...
What would be the molality of 20% (mass/ mass) aqueous solution of KI?<br> (mola...
HF has highest boiling point among hydrogen halides, because it has :
The layer of atmosphere between 10 km to 50 km above the sea level is called as ...

Mathematics

If the tangent to the parabola y<sup>2</sup> = x at a point ($$\alpha $$, $$\bet...
If $$\cos x{{dy} \over {dx}} - y\sin x = 6x$$, (0 &lt; x &lt; $${\pi \over 2}$$...
Some identical balls are arranged in rows to form an equilateral triangle. The f...
If some three consecutive in the binomial expansion of (x + 1)<sup>n</sup> is po...
Let z $$ \in $$ C be such that |z| &lt; 1. <br><br> If $$\omega = {{5 + 3z} \ov...
The common tangent to the circles x <sup>2</sup> + y<sup>2</sup> = 4 and x<sup>2...
The value of sin 10º sin30º sin50º sin70º is :-
The value of the integral $$\int\limits_0^1 {x{{\cot }^{ - 1}}(1 - {x^2} + {x^4}...
If the sum and product of the first three term in an A.P. are 33 and 1155, respe...
If the system of equations 2x + 3y – z = 0, x + ky – 2z = 0 and 2x – y + z = 0 h...
If f : R $$ \to $$ R is a differentiable function and f(2) = 6,<br> then $$\math...
Two poles standing on a horizontal ground are of heights 5m and 10 m respectivel...
A water tank has the shape of an inverted right circular cone, whose semi-vertic...
If the two lines x + (a – 1) y = 1 and 2x + a<sup>2</sup>y = 1 (a$$ \in $$R – {0...
The vertices B and C of a $$\Delta $$ABC lie on the line, $${{x + 2} \over 3} = ...
If $$f(x) = [x] - \left[ {{x \over 4}} \right]$$ ,x $$ \in $$ 4 , where [x] deno...
The total number of matrices<br> $$A = \left( {\matrix{ 0 &amp; {2y} &amp; 1 ...
The area (in sq. units) of the smaller of the two circles that touch the parabol...
$$\int {{e^{\sec x}}}$$ $$(\sec x\tan xf(x) + \sec x\tan x + se{x^2}x)dx$$<br> =...
If the function $$f(x) = \left\{ {\matrix{ {a|\pi - x| + 1,x \le 5} \cr ...
If m is chosen in the quadratic equation <br><br>(m<sup>2</sup> + 1) x<sup>2</s...
If p $$ \Rightarrow $$ (q $$ \vee $$ r) is false, then the truth values of p, q,...
Let P be the plane, which contains the line of intersection of the planes, x + y...
Two newspapers A and B are published in a city. It is known that 25% of the city...
The domain of the definition of the function <br><br>$$f(x) = {1 \over {4 - {x^...
If a unit vector $$\overrightarrow a $$ makes angles $$\pi $$/3 with $$\widehat ...
A rectangle is inscribed in a circle with a diameter lying along the line 3y = x...
The mean and the median of the following ten numbers in increasing order 10, 22,...
The sum of the series 1 + 2 × 3 + 3 × 5 + 4 × 7 +.... upto 11th term is :-
The area (in sq. units) of the region<br> A = {(x, y) : $${{y{}^2} \over 2}$$ $$...

Physics

Two coils 'P' and 'Q' are separated by some distance. When a current of 3 A flow...
A metal wire of resistance 3 $$\Omega $$ is elongated to make a uniform wire of...
The resistance of a galvanometer is 50 ohm and the maximum current which can be ...
A moving coil galvanometer has a coil with 175 turns and area 1 cm<sup>2</sup>. ...
The position of a particle as a function of time t, is given by<br>x(t) = at + b...
A thin convex lens L (refractive index = 1.5) is placed on a plane mirror M. Whe...
A massless spring (k = 800 N/m), attached with a mass (500 g) is completely imme...
A very long solenoid of radius R is carrying current I(t) = kte<sup>–at</sup>(k ...
A convex lens of focal length 20 cm produces images of the same magnification 2 ...
A particle 'P' is formed due to a completely inelastic collision of particles 'x...
Diameter of the objective lens of a telescope is 250 cm. For light of wavelength...
Moment of inertia of a body about a given axis is 1.5 kg m<sup>2</sup>. Initiall...
The logic gate equivalent to the given logic circuit is :- <img src="https://ima...
The physical sizes of the transmitter and receiver antenna in a communication sy...
The area of a square is 5.29 cm<sup>2</sup>. The area of 7 such squares taking i...
50 W/m<sup>2</sup> energy density of sunlight is normally incident on the surfac...
The specific heats, C<sub>P</sub> and C<sub>V </sub> of a gas of diatomic molecu...
Four point charges –q, +q, +q and –q are placed on y-axis at y = –2d, y = –d, y ...
A test particle is moving in a circular orbit in the gravitational field produce...
The position vector of a particle changes with time according to the relation $$...
A particle of mass 'm' is moving with speed '2v' and collides with a mass '2m' m...
A wooden block floating in a bucket of water has 4/5 of its volume submerged. Wh...
Two cars A and B are moving away from each other in opposite directions. Both th...
A wedge of mass M = 4m lies on a frictionless plane. A particle of mass m approa...
Two materials having coefficients of thermal conductivity '3K' and 'K' and thick...
A He<sup>+</sup> ion is in its first excited state. Its ionization energy is :-
A thin smooth rod of length L and mass M is rotating freely with angular speed $...
The parallel combination of two air filled parallel plate capacitors of capacita...
In a conductor, if the number of conduction electrons per unit volume is 8.5 × 1...
A string 2.0 m long and fixed at its ends is driven by a 240 Hz vibrator. The st...

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