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

Exam Held on Thu Sep 03 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

It is true that :
If the boiling point of H<sub>2</sub>O is 373 K, the boiling point of H<sub>2</s...
The complex that can show optical activity is :
Which one of the following compounds possesses the most acidic hydrogen?
The Kjeldahl method of Nitrogen estimation fails for which of the following reac...
Aqua regia is used for dissolving noble metals (Au, Pt, etc.). The gas evolved i...
An acidic buffer is obtained on mixing :
The antifertility drug “Novestrol” can react with :
Which of the following compounds produces an optically inactive compound on hydr...
Of the species, NO, NO<sup>+</sup>, NO<sup>2+</sup> and NO<sup>-</sup> , the one...
Glycerol is separated in soap industries by :
Thermal power plants can lead to :
An organic compound [A], molecular formula C<sub>10</sub>H<sub>20</sub>O<sub>2</...
The electronic spectrum of [Ti(H<sub>2</sub>O)<sub>6</sub>]<sup>3+</sup> shows a...
Henry’s constant (in kbar) for four gases $$\alpha$$, $$\beta$$, $$\gamma$$ a...
The atomic number of the element unnilennium is :
The mechanism of S<sub>N</sub>1 reaction is given as : <picture><source media="(...
Tyndall effect is observed when:
In a molecule of pyrophosphoric acid, the number of P - OH, P = O and P - O - P ...
Let C<sub>NaCl</sub> and C<sub>BaSO<sub>4</sub></sub> be the conductances (in S...
The mole fraction of glucose (C<sub>6</sub>H<sub>12</sub>O<sub>6</sub> ) in an a...
The volume strength of 8.9 M H<sub>2</sub>O<sub>2</sub> solution calculated at ...
The total number of monohalogenated organic products in the following (including...
An element with molar mass 2.7 $$\times$$ 10<sup>-2</sup> kg mol<sup>-1</sup> ...
The photoelectric current from Na (Work function, w<sub>0</sub> = 2.3 eV) is st...

## Mathematics

A dice is thrown two times and the sum of the scores appearing on the die is obs...
The lines <br>$$\overrightarrow r = \left( {\widehat i - \widehat j} \right) + ... The foot of the perpendicular drawn from the point (4, 2, 3) to the line joining... If the first term of an A.P. is 3 and the sum of its first 25 terms is equal to ... A hyperbola having the transverse axis of length$$\sqrt 2 $$has the same foci ... The area (in sq. units) of the region <br><br>{ (x, y) : 0$$ \le $$y$$ \le $$... Let P be a point on the parabola, y<sup>2</sup> = 12x and N be the foot of the ... Consider the two sets : <br>A = {m$$ \in $$R : both the roots of<br> x<sup>2</...$$\int\limits_{ - \pi }^\pi {\left| {\pi - \left| x \right|} \right|dx} $$is ... For the frequency distribution : <br>Variate (x) : &nbsp;&nbsp;&nbsp;&nbsp;&nbsp... If y<sup>2</sup> + log<sub>e</sub> (cos<sup>2</sup>x) = y, <br>$$x \in \left( { ...
The function, f(x) = (3x – 7)x<sup>2/3</sup>, x $$\in$$ R, is increasing for a...
The value of (2.<sup>1</sup>P<sub>0</sub> – 3.<sup>2</sup>P<sub>1</sub> + 4.<su...
If $$\Delta$$ = $$\left| {\matrix{ {x - 2} &amp; {2x - 3} &amp; {3x - 4} \c... If the number of integral terms in the expansion <br>of (3<sup>1/2</sup> + 5<sup... If$$\alpha $$and$$\beta $$are the roots of the equation <br>x<sup>2</sup> +... The solution curve of the differential equation, <br><br>(1 + e<sup>-x</sup>)(1 ... Let [t] denote the greatest integer$$ \le $$t. If for some <br>$$\lambda ...
2$$\pi$$ - $$\left( {{{\sin }^{ - 1}}{4 \over 5} + {{\sin }^{ - 1}}{5 \over {13... The proposition p$$ \to $$~ (p$$ \wedge $$~q) is equivalent to : Let A =$$\left[ {\matrix{ x &amp; 1 \cr 1 &amp; 0 \cr } } \right]$$... The value of$${\left( {0.16} \right)^{{{\log }_{2.5}}\left( {{1 \over 3} + {1 \...
If $$\mathop {\lim }\limits_{x \to 0} \left\{ {{1 \over {{x^8}}}\left( {1 - \cos... The diameter of the circle, whose centre lies on the line x + y = 2 in the first... If$${\left( {{{1 + i} \over {1 - i}}} \right)^{{m \over 2}}} = {\left( {{{1 + i...

## Physics

Using screw gauge of pitch 0.1 cm and 50 divisions on its circular scale, the th...
Model a torch battery of length $$l$$ to be made up of a thin cylindrical bar of...
Moment of inertia of a cylinder of mass M, length L and radius R about an axis p...
When the wavelength of radiation falling on a metal is changed from 500 nm to 20...
The magnetic field of a plane electromagnetic wave is <br>$$\overrightarrow B =... A charged particle carrying charge 1$$\mu $$C is moving<br> with velocity$$\le...
A 750 Hz, 20 V (rms) source is connected to a resistance of 100 $$\Omega$$, an ...
In a radioactive material, fraction of active material remaining after time t is...
Pressure inside two soap bubbles are 1.01 and 1.02 atmosphere, respectively. The...
A balloon filled with helium (32<sup>o</sup>C and 1.7 atm.) bursts. Immediately ...
A satellite is moving in a low nearly circular orbit around the earth. Its radiu...
In the circuit shown in the figure, the total charge is 750 $$\mu$$C and the vo...
An elliptical loop having resistance R, of semi major axis a, and semi minor axi...
When a diode is forward biased, it has a voltage drop of 0.5 V. The safe limit o...
A uniform thin rope of length 12 m and mass 6 kg hangs vertically from a rigid s...
A block of mass m = 1 kg slides with velocity v = 6 m/s on a frictionless horizo...
In a Young’s double slit experiment, light of 500 nm is used to produce an inter...
Magnitude of magnetic field (in SI units) at the centre of a hexagonal shape coi...
<img src="https://imagex.cdn.examgoal.net/jgy2xukf24p4as/37e31867-4c02-4771-8ea8...
A bakelite beaker has volume capacity of 500 cc at 30<sup>o</sup>C. When it is p...
A cricket ball of mass 0.15 kg is thrown vertically up by a bowling machine so t...
Two isolated conducting spheres S<sub>1</sub> and S<sub>2</sub> of radius {2 \...
When a long glass capillary tube of radius 0.015 cm is dipped in a liquid, the l...
An observer can see through a small hole on the side of a jar (radius 15 cm) at ...
A person of 80 kg mass is standing on the rim of a circular platform of mass 200...

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