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## JEE Main 2019 (Online) 9th January Morning Slot

Exam Held on Wed Jan 09 2019 03:30:00 GMT+0000 (Coordinated Universal Time)
Click View All Questions to see questions one by one or you can choose a single question from below.

## Chemistry

The major product of the following reaction is : <br><br><img src="https://imag...
Which amongst the following is the strongest acid ?
The major product of the following reaction is : <br><br><img src="https://imag...
The correct decreasing order for acid strength is :
The compounds A and B in the following reaction are, respectively : <br><br><im...
Major product of the following reaction is : <br><br><img src="https://imagex.c...
The ore that contains both iron and copper is :
The major product of following reaction is : <br><br><img src="https://imagex.c...
The correct match between Item-I and Item-II is : <br><br><style type="text/css...
Arrange the following amines in the decreasing order of basicity : <br><br><img...
The increasing order of pka of the following amino acids in aqueous solution is ...
The highest value of the calculated spin- only magnetic moment (in BM) among a...
In general, the properties that decrease and increase down a group in the period...
Aluminium is usually found in +3 oxidation state. In contrast, thallium exists i...
According to molecular orbital theory, which of the following is true with respe...
The alkaline earth metal nitrate that does not crystallise with water molecules,...
Correct statements among a to d regarding silicones are : <br><br>(a)&nbsp;&nbs...
A water sample has ppm level concentration of the following metals : Fe = 0.2; M...
The isotopes of hydrogen are :
20 mL of 0.1 M H<sub>2</sub>SO<sub>4</sub> solution is added to 30 mL of of 0.2 ...
The anodic half-cell of lead-acid battery is recharged using electricity of 0.05...
Which one of the following statements regarding Henry's law is not correct ?
For emission line of atomic hydrogen from n<sub>i</sub> = 8 to n<sub>f</sub> = n...
Two complexes [Cr(H<sub>2</sub>O)<sub>6</sub>]Cl<sub>3</sub>&nbsp;(A) and [Cr(NH...
The following results were obtained during kinetic studies of the reaction ; <b...
A solution of sodium sulphate contains 92 g of Na<sup>+</sup> ions per kilogram ...
0.5 moles of gas A and x moles of gas B exert a pressure of 200 Pa in a containe...
Consider the reversible isothermal expansion of an ideal gas in a closed system ...
The one that is extensively used as a piezoelectric material is :
Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, x...

## Mathematics

The value of $$\int\limits_0^\pi {{{\left| {\cos x} \right|}^3}} \,dx$$ is :
Let $$\alpha$$ and $$\beta$$ be two roots of the equation x<sup>2</sup> + 2x +...
Consider a class of 5 girls and 7 boys. The number of different teams consisting...
For x<sup>2</sup> $$\ne$$ n$$\pi$$ + 1, n $$\in$$ N (the set of natural nu...
Let $$\overrightarrow a$$ = $$\widehat i - \widehat j$$, $$\overrightarrow b$$...
Let f : R $$\to$$ R be a function defined as <br>$$f(x) = \left\{ {\matrix{ ... If the fractional part of the number$$\left\{ {{{{2^{403}}} \over {15}}} \right...
5 students of a class have an average height 150 cm and variance 18 cm<sup>2</su...
If a, b, c be three distinct real numbers in G.P. and a + b + c = xb , then x <b...
$$\mathop {\lim }\limits_{y \to 0} {{\sqrt {1 + \sqrt {1 + {y^4}} } - \sqrt 2 }... Axis of a parabola lies along x-axis. If its vertex and focus are at distances 2... If$$A = \left[ {\matrix{ {\cos \theta } &amp; { - \sin \theta } \cr {\s...
Let <br>A = $$\left\{ {\theta \in \left( { - {\pi \over 2},\pi } \right):{{3 +... If the Boolean expression <br>(p$$ \oplus $$q)$$\wedge$$(~ p$$ \odot $$q)... If y = y(x) is the solution of the differential equation, <br><br>x$$dy \over d...
Two cards are drawn successively with replacement from a well-shuffled deck of 5...
Let $$0 &lt; \theta &lt; {\pi \over 2}$$. If the eccentricity of the <br><br> ...
If $${\cos ^{ - 1}}\left( {{2 \over {3x}}} \right) + {\cos ^{ - 1}}\left( {{3 \o... The maximum volume (in cu.m) of the right circular cone having slant height 3 m ... Consider the set of all lines px + qy + r = 0 such that 3p + 2q + 4r = 0. Whic... The system of linear equations <br> x + y + z = 2 <br>2x + 3y + 2z = 5 <br>2x +... Three circles of radii a, b, c (a &lt; b &lt; c) touch each other externally. I... For any$$\theta \in \left( {{\pi \over 4},{\pi \over 2}} \right)$$, the exp... For$$x \in R - \left\{ {0,1} \right\}$$, Let f<sub>1</sub>(x) =$$1\over x$$, ... The equation of the line passing through (–4, 3, 1), parallel <br>to the plane ... Equation of a common tangent to the circle, x<sup>2</sup> + y<sup>2</sup> – 6x =... The plane through the intersection of the planes x + y + z = 1 and 2x + 3y – z ... If$$\theta $$denotes the acute angle between the curves, y = 10 – x<sup>2</su... The area (in sq. units) bounded by the parabolae y = x<sup>2</sup> – 1, the tang... Let$${a_1},{a_2},.......,{a_{30}}$$be an A.P., <br><br>$$S = \sum\limits_{i = ...

## Physics

A mixture of 2 moles of helium gas (atomic mass = 4 u), and 1 mole of argon gas ...
A current loop, having two circular arcs joined by two radial lines is shown in ...
A convex lens is put 10 cm from a light source and it makes a sharp image on a s...
A block of mass 10 kg is kept on a rough inclined plane as shown in the figure. ...
Three charges + Q, q, + Q are placed respectively, at distance, 0, d/2 and d fro...
A conducting circular loop made of a thin wire, has area 3.5 $$\times$$ 10<sup...
When the switch S, in the circuit shown, is closed, then the value of current ...
Two coherent sources produce waves of different intensities which interfere. Aft...
Temperature difference of 120<sup>o</sup>C is maintained between ends of a unifo...
An L-shaped object, made of thin rods of uniform mass density, is suspended with...
Surface of certain metal is first illuminated with light of wavelength $$\lambda... For a uniformly charged ring of radius R, the electric field on its axis has the... A heavy ball of mass M is suspendeed from the ceiling of a car by a light string... Consider a tank made of glass(refractive index 1.5) with a thick bottom. It is f... A copper wire is stretched to make it 0.5% longer. The percentage change in its ... A block of mass m, lying on a smooth horizontal surface, is attached to a sring ... Two masses m and$${m \over 2}$$are connected at the two ends of a massless rig... An infinitely long current carrying wire and a small current carrying loop are i... If the angular momentum of a planet of mass m, moving around the Sun in a circul... Three blocks A, B and C are lying on a smooth horizontal surface, as shown in th... A resistance is shown in the figure. Its value and tolerance are given respectiv... A particle is moving with a velocity <br><br>$$\overrightarrow v \, = K(y\wideha...
A plane electromagnetic wave of frequency 50 MHz travels in free space along the...
A gas can be taken from A to B via two different processes ACB and ADB. <br><br...
A rod, of length L at room temperature and uniform area of cross section A, is m...
A parallel plate capacitor is made of two square plates of side 'a', separated b...
Drift speed of electrons, when 1.5 A of current flows in a copper wire of cross ...
A sample of radioactive material A, that has an activity of 10 mCi(1 Ci = 3.7 ...
A bar magnet is demagnetized by inserting it inside a solenoid of length 0.2 m, ...
Mobility of electrons in a semiconductor is defined as the ratio of their drift ...

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