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## JEE Main 2020 (Online) 3rd September Evening Slot

Exam Held on Thu Sep 03 2020 09:30:00 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 strengths of 5.6 volume hydrogen peroxide (of density 1 g/mL) in terms of ma...
Among the statements (I – IV), the correct ones are: <br>(I) Be has smaller atom...
Consider the hypothetical situation where the azimuthal quantum number, $$l$$, t...
The five successive ionization enthalpies of an element are 800, 2427, 3658, 250...
The incorrect statement(s) among (a) – (d) regarding acid rain is (are) : <br><b...
Three isomers A, B and C (mol. formula C<sub>8</sub>H<sub>11</sub>N) give the fo...
100 mL of 0.1 M HCl is taken in a beaker and to it 100 mL of 0.1 M NaOH is added...
A mixture of one mole each of H<sub>2</sub> , He and O<sub>2</sub> each are encl...
The d-electron configuration of [Ru(en)<sub>3</sub> ]Cl<sub>2</sub> <br>and [Fe(...
An ionic micelle is formed on the addition of :
The major product in the following reaction is : <img src="https://imagex.cdn.ex...
The decreasing order of reactivity of the following compounds towards nucleophil...
The increasing order of the reactivity of the following compound in nucleophilic...
The incorrect statement is :
Consider the following molecules and statements related to them : <img src="http...
The compound A in the following reaction is : <picture><source media="(max-width...
Complex A has a composition of H<sub>12</sub>O<sub>6</sub>Cl<sub>3</sub>Cr. If t...
Consider the following reaction : <img src="https://imagex.cdn.examgoal.net/jgy2...
Match the following drugs with their therapeutic actions : <br><br><style type="...
For the reaction<br> 2A + 3B + $${3 \over 2}$$C $$\to$$ 3P, which statement is...
An acidic solution of dichromate is electrolyzed for 8 minutes using 2A current....
The volume (in mL) of 0.1 N NaOH required to neutralise 10 mL of 0.1 N phosphini...
If 250 cm<sup>3</sup> of an aqueous solution containing 0.73 g of a protein A i...
6.023 $$\times$$ 10<sup>22</sup> molecules are present in 10 g of a substance ...
The number of <img src="https://imagex.cdn.examgoal.net/jgy2xukf3nyh4a/2196b205-...

## Mathematics

If the value of the integral <br>$$\int\limits_0^{{1 \over 2}} {{{{x^2}} \over ... Let R<sub>1</sub> and R<sub>2</sub> be two relation defined as follows : <br>R... Let the latus ractum of the parabola y<sup>2</sup> = 4x be the common chord to ... Let p, q, r be three statements such that the truth value of <br>(p$$ \wedge $$... Let a, b c$$ \in $$R be such that a<sup>2</sup> + b<sup>2</sup> + c<sup>2</s... Suppose f(x) is a polynomial of degree four, having critical points at –1, 0, 1.... Let e<sub>1</sub> and e<sub>2</sub> be the eccentricities of the ellipse, <br>... The set of all real values of$$\lambda $$for which the quadratic equations, <b... If the sum of the series <br><br>20 + 19$${3 \over 5}$$+ 19$${1 \over 5}$$+ 18... If the term independent of x in the expansion of <br>$${\left( {{3 \over 2}{x^2}...
Let A be a 3 $$\times$$ 3 matrix such that <br>adj A = $$\left[ {\matrix{ 2... If z<sub>1</sub> , z<sub>2</sub> are complex numbers such that <br>Re(z<sub>1</... If$$\int {{{\sin }^{ - 1}}\left( {\sqrt {{x \over {1 + x}}} } \right)} dx$$= A... Let x<sub>i</sub> (1$$ \le $$i$$ \le $$10) be ten observations of a random ... If a$$\Delta $$ABC has vertices A(–1, 7), B(–7, 1) and C(5, –5), then its ortho... The plane which bisects the line joining, the points (4, –2, 3) and (2, 4, –1) a... If the surface area of a cube is increasing at a rate of 3.6 cm<sup>2</sup>/sec,...$$\mathop {\lim }\limits_{x \to a} {{{{\left( {a + 2x} \right)}^{{1 \over 3}}} -...
If x<sup>3</sup>dy + xy dx = x<sup>2</sup>dy + 2y dx; y(2) = e and <br>x &gt; 1,...
The total number of 3-digit numbers, whose sum of digits is 10, is ______.
The probability that a randomly chosen 5-digit number is made from exactly two d...
Let a plane P contain two lines <br>$$\overrightarrow r = \widehat i + \lambda ... If m arithmetic means (A.Ms) and three geometric means (G.Ms) are inserted betwe... Let S be the set of all integer solutions, (x, y, z), of the system of equations... If the tangent to the curve, y = e<sup>x</sup> at a point (c, e<sup>c</sup>) an... ## Physics A block of mass m attached to a massless spring is performing oscillatory motion... Two sources of light emit X-rays of wavelength 1 nm and visible light of wavelen... The mass density of a planet of radius R varies with the distance r from its cen... If a semiconductor photodiode can detect a photon with a maximum wavelength of 4... A particle is moving unidirectionally on a horizontal plane under the action of ... Amount of solar energy received on the earth’s surface per unit area per unit ti... Which of the following will NOT be observed when a multimeter (operating in resi... A uniform rod of length ‘$$l$$’ is pivoted at one of its ends on a vertical shaf... Two resistors 400$$\Omega $$and 800$$\Omega $$are connected in series across ... A block of mass 1.9 kg is at rest at the edge of a table, of height 1 m. A bulle... A metallic sphere cools from 50<sup>o</sup>C to 40<sup>o</sup> in 300 s. If atmo... The radius R of a nucleus of mass number A can be estimated by the formula<br> R... To raise the temperature of a certain mass of gas by 50<sup>o</sup>C at a consta... A perfectly diamagnetic sphere has a small spherical cavity at its centre, which... The electric field of a plane electromagnetic wave propagating along the x direc... Concentric metallic hollow spheres of radii R and 4R hold charges Q<sub>1</sub> ... A uniform magnetic field B exists in a direction perpendicular to the plane of a... Two light waves having the same wavelength$$\lambda $$in vacuum are in phase i... Hydrogen ion and singly ionized helium atom are accelerated, from rest, through ... If minimum possible work is done by a refrigerator in converting 100 grams of wa... A calorimeter of water equivalent 20 g contains 180 g of water at 25<sup>o</sup>... An massless equilateral triangle EFG of side ‘a’ (As shown in figure) has three ... A galvanometer coil has 500 turns and each turn has an average area of 3$$ \tim...
When an object is kept at a distance of 30 cm from a concave mirror, the image i...
A block starts moving up an inclined plane of inclination 30<sup>o</sup> with an...

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