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JEE Main 2020 (Online) 8th January Morning Slot

Exam Held on Wed Jan 08 2020 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 complex that can show fac- and mer-isomers is :
Arrange the following compounds in increasing order of C–OH bond length : <br>me...
Among the gases (a) – (e), the gases that cause greenhouse effect are : <br>(a) ...
A graph of vapour pressure and temperature for three different liquids X, Y, and...
The third ionization enthalpy is minimum for :
When gypsum is heated to 393 K, it forms :
The major products A and B in the following reactions are : <img src="https://im...
As per Hardy-Schulze formulation, the flocculation values of the following for f...
The most suitable reagent for the given conversion is : <img src="https://imagex...
The predominant intermolecular forces present in ethyl acetate, a liquid, are:
The stoichiometry and solubility product of a salt with the solubility curve giv...
The major product of the following reaction is : <img src="https://imagex.cdn.ex...
A flask contains a mixture of isohexane and 3-methylpentane. One of the liquids ...
The rate of a certain biochemical reaction at physiological temperature (T) occu...
The strength of an aqueous NaOH solution is most accurately determined by titrat...
For the Balmer series in the spectrum of H atom, <br>$$\overline \nu = {R_H}\l...
The number of bonds between sulphur and oxygen atoms in S<sub>2</sub>O<sub>8</su...
Which of the following statement is not true for glucose?
The first ionization energy (in kJ/mol) of Na, Mg, Al and Si respectively, are :...
The decreasing order of reactivity towards dehydrohalogenation (E<sub>1</sub>) r...
The volume (in mL) of 0.125 M AgNO<sub>3</sub> required to quantitatively precip...
The number of chiral centres in penicillin is _________.
What would be the electrode potential for the given half cell reaction at pH = 5...
Ferrous sulphate heptahydrate is used to fortify foods with iron. The amount (in...
The magnitude of work done by a gas that undergoes a reversible expansion along ...

Mathematics

If a, b and c are the greatest value of <sup>19</sup>C<sub>p</sub>, <sup>20</sup...
Let the line y = mx and the ellipse 2x<sup>2</sup> + y<sup>2</sup> = 1 intersect...
Let ƒ : <b>R</b> $$ \to $$ <b>R</b> be such that for all x $$ \in $$ R <br>(2<s...
Let ƒ(x) = (sin(tan<sup>–1</sup>x) + sin(cot<sup>–1</sup>x))<sup>2</sup> – 1, |x...
$$\mathop {\lim }\limits_{x \to 0} {\left( {{{3{x^2} + 2} \over {7{x^2} + 2}}} \...
Let the volume of a parallelopiped whose coterminous edges are given by <br>$$\o...
Let y = y(x) be a solution of the differential equation, <br>$$\sqrt {1 - {x^2}}...
Let two points be A(1, –1) and B(0, 2). If a point P(x', y') be such that the ar...
If the equation, x<sup>2</sup> + bx + 45 = 0 (b $$ \in $$ R) has conjugate compl...
The mean and the standard deviation (s.d.) of 10 observations are 20 and 2 resep...
For a &gt; 0, let the curves C<sub>1</sub> : y<sup>2</sup> = ax and C<sub>2</sub...
Which one of the following is a tautology?
For which of the following ordered pairs ($$\mu $$, $$\delta $$), the system of ...
If c is a point at which Rolle's theorem holds for the function, <br>f(x) = $${\...
The locus of a point which divides the line segment joining the point (0, –1) an...
Let A and B be two independent events such that<br> P(A) = $${1 \over 3}$$ and P...
If $$\int {{{\cos xdx} \over {{{\sin }^3}x{{\left( {1 + {{\sin }^6}x} \right)}^{...
The inverse function of <br><br>f(x) = $${{{8^{2x}} - {8^{ - 2x}}} \over {{8^{2x...
The shortest distance between the lines <br><br>$${{x - 3} \over 3} = {{y - 8} \...
Let ƒ(x) = xcos<sup>–1</sup>(–sin|x|), $$x \in \left[ { - {\pi \over 2},{\pi \...
The number of all 3 × 3 matrices A, with enteries from the set {–1, 0, 1} such t...
The least positive value of 'a' for which the equation <br><br>2x<sup>2</sup> + ...
The sum $$\sum\limits_{k = 1}^{20} {\left( {1 + 2 + 3 + ... + k} \right)} $$ is ...
Let the normal at a point P on the curve <br>y<sup>2</sup> – 3x<sup>2</sup> + y ...
An urn contains 5 red marbles, 4 black marbles and 3 white marbles. Then the num...

Physics

Consider a solid sphere of radius R and mass density<br> $$\rho \left( r \right)...
Consider a uniform rod of mass M = 4m and length $$\ell $$ pivoted about its cen...
When photon of energy 4.0 eV strikes the surface of a metal A, the ejected photo...
Photon with kinetic energy of 1MeV moves from south to north. It gets an acceler...
The coordinates of centre of mass of a uniform flag shaped lamina (thin flat pla...
The plot that depicts the behavior of the mean free time t (time between two suc...
Consider two solid spheres of radii R<sub>1</sub> = 1m, R<sub>2</sub> = 2m and m...
In finding the electric field using Gauss Law the formula $$\left| {\overrightar...
A thermodynamic cycle xyzx is shown on a V-T diagram. <img src="https://imagex.c...
The length of a potentiometer wire is 1200 cm and it carries a current of 60 mA....
The dimension of stopping potential V<sub>0</sub> in photoelectric effect in uni...
The magnifying power of a telescope with tube 60 cm is 5. What is the focal leng...
At time t = 0 magnetic field of 1000 Gauss is passing perpendicularly through th...
The critical angle of a medium for a specific wavelength, if the medium has rela...
Three charged particle A, B and C with charges –4q, 2q and –2q are present on th...
Boolean relation at the output stage-Y for the following circuit is : <img src="...
The graph which depicts the results of Rutherford gold foil experiment with $$\a...
A leak proof cylinder of length 1m, made of a metal which has very low coefficie...
A particle of mass m is fixed to one end of a light spring having force constant...
Four resistances of 15$$\Omega $$, 12$$\Omega $$, 4$$\Omega $$ and 10$$\Omega $$...
Effective capacitance of parallel combination of two capacitors C<sub>1</sub> an...
A body A, of mass m = 0.1 kg has an initial velocity of 3$$\widehat i$$ ms<sup>-...
A point object in air is in front of the curved surface of a plano-convex lens. ...
A one metre long (both ends open) organ pipe is kept in a gas that has double th...
A particle is moving along the x-axis with its coordinate with the time 't' give...

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