JEE Main 2022 (Online) 28th July Morning Shift
Paper was held on Thu, Jul 28, 2022 3:30 AM
View Questions

Chemistry

Identify the incorrect statement from the following.
View Question
Which of the following relation is not correct?
View Question
Match List - I with List - II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style
View Question
Match List - I with List - II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style
View Question
In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical? (A)
View Question
Which of the reaction is suitable for concentrating ore by leaching process ?
View Question
The metal salts formed during softening of hardwater using Clark's method are :
View Question
Which of the following statement is incorrect?
View Question
Match List - I with List - II, match the gas evolved during each reaction. .tg {border-collapse:collapse;border-spacin
View Question
Which of the following has least tendency to liberate $$\mathrm{H}_{2}$$ from mineral acids?
View Question
Given below are two statements: Statement I : In polluted water values of both dissolved oxygen and $$\mathrm{BOD}$$ are
View Question
Match List - I with List - II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style
View Question
Choose the correct option for the following reactions.
View Question
Among the following marked proton of which compound shows lowest $$\mathrm{pK}_{\mathrm{a}}$$ value?
View Question
Identify the major products A and B for the below given reaction sequence.
View Question
Identify the correct statement for the below given transformation.
View Question
Terylene polymer is obtained by condensation of :
View Question
For the below given cyclic hemiacetal (X), the correct pyranose structure is :
View Question
Statements about Enzyme Inhibitor Drugs are given below : (A) There are Competitive and Non-competitive inhibitor drugs.
View Question
For kinetic study of the reaction of iodide ion with $$\mathrm{H}_{2} \mathrm{O}_{2}$$ at room temperature : (A) Always
View Question
In the given reaction, $$X+Y+3 Z \leftrightarrows X YZ_{3}$$ if one mole of each of $$X$$ and $$Y$$ with $$0.05 \mathrm{
View Question
An element M crystallises in a body centred cubic unit cell with a cell edge of $$300 \,\mathrm{pm}$$. The density of th
View Question
The number of paramagnetic species among the following is ___________. $$\mathrm{B}_{2}, \mathrm{Li}_{2}, \mathrm{C}_{2}
View Question
$$150 \mathrm{~g}$$ of acetic acid was contaminated with $$10.2 \mathrm{~g}$$ ascorbic acid $$\left(\mathrm{C}_{6} \math
View Question
$$\mathrm{K}_{\mathrm{a}}$$ for butyric acid $$\left(\mathrm{C}_{3} \mathrm{H}_{7} \mathrm{COOH}\right)$$ is $$2 \times
View Question
For the given first order reaction $$\mathrm{A} \rightarrow \mathrm{B}$$ the half life of the reaction is $$0.3010 \math
View Question
The number of interhalogens from the following having square pyramidal structure is : $$\mathrm{ClF}_{3}, \mathrm{IF}_{7
View Question
The disproportionation of $$\mathrm{MnO}_{4}^{2-}$$ in acidic medium resulted in the formation of two manganese compound
View Question
Total number of relatively more stable isomer(s) possible for octahedral complex $$\left[\mathrm{Cu}(\mathrm{en})_{2}(\m
View Question
On complete combustion of $$0.492 \mathrm{~g}$$ of an organic compound containing $$\mathrm{C}, \mathrm{H}$$ and $$\math
View Question

Mathematics

Let the solution curve of the differential equation $$x \mathrm{~d} y=\left(\sqrt{x^{2}+y^{2}}+y\right) \mathrm{d} x, x>
View Question
Considering only the principal values of the inverse trigonometric functions, the domain of the function $$f(x)=\cos ^{-
View Question
Let the vectors $$\vec{a}=(1+t) \hat{i}+(1-t) \hat{j}+\hat{k}, \vec{b}=(1-t) \hat{i}+(1+t) \hat{j}+2 \hat{k}$$ and $$\ve
View Question
Considering the principal values of the inverse trigonometric functions, the sum of all the solutions of the equation $$
View Question
Let the operations $$*, \odot \in\{\wedge, \vee\}$$. If $$(\mathrm{p} * \mathrm{q}) \odot(\mathrm{p}\, \odot \sim \mathr
View Question
Let a vector $$\vec{a}$$ has magnitude 9. Let a vector $$\vec{b}$$ be such that for every $$(x, y) \in \mathbf{R} \times
View Question
For $$\mathrm{t} \in(0,2 \pi)$$, if $$\mathrm{ABC}$$ is an equilateral triangle with vertices $$\mathrm{A}(\sin t,-\cos
View Question
For $$\alpha \in \mathbf{N}$$, consider a relation $$\mathrm{R}$$ on $$\mathbf{N}$$ given by $$\mathrm{R}=\{(x, y): 3 x+
View Question
Out of $$60 \%$$ female and $$40 \%$$ male candidates appearing in an exam, $$60 \%$$ candidates qualify it. The number
View Question
If $$y=y(x), x \in(0, \pi / 2)$$ be the solution curve of the differential equation $$\left(\sin ^{2} 2 x\right) \frac{d
View Question
If the tangents drawn at the points $$\mathrm{P}$$ and $$\mathrm{Q}$$ on the parabola $$y^{2}=2 x-3$$ intersect at the p
View Question
Let $$C$$ be the centre of the circle $$x^{2}+y^{2}-x+2 y=\frac{11}{4}$$ and $$P$$ be a point on the circle. A line pass
View Question
The remainder when $$7^{2022}+3^{2022}$$ is divided by 5 is :
View Question
Let the matrix $$A=\left[\begin{array}{lll}0 & 1 & 0 \\ 0 & 0 & 1 \\ 1 & 0 & 0\end{array}\right]$$ and the matrix $$B_{0
View Question
Let $$S_{1}=\left\{z_{1} \in \mathbf{C}:\left|z_{1}-3\right|=\frac{1}{2}\right\}$$ and $$S_{2}=\left\{z_{2} \in \mathbf{
View Question
The foot of the perpendicular from a point on the circle $$x^{2}+y^{2}=1, z=0$$ to the plane $$2 x+3 y+z=6$$ lies on whi
View Question
If the minimum value of $$f(x)=\frac{5 x^{2}}{2}+\frac{\alpha}{x^{5}}, x>0$$, is 14 , then the value of $$\alpha$$ is eq
View Question
Let $$\alpha, \beta$$ and $$\gamma$$ be three positive real numbers. Let $$f(x)=\alpha x^{5}+\beta x^{3}+\gamma x, x \in
View Question
Consider the sequence $$a_{1}, a_{2}, a_{3}, \ldots$$ such that $$a_{1}=1, a_{2}=2$$ and $$a_{n+2}=\frac{2}{a_{n+1}}+a_{
View Question
The minimum value of the twice differentiable function $$f(x)=\int\limits_{0}^{x} \mathrm{e}^{x-\mathrm{t}} f^{\prime}(\
View Question
Let $$S$$ be the set of all passwords which are six to eight characters long, where each character is either an alphabet
View Question
Let $$\mathrm{P}(-2,-1,1)$$ and $$\mathrm{Q}\left(\frac{56}{17}, \frac{43}{17}, \frac{111}{17}\right)$$ be the vertices
View Question
Let $$f:[0,1] \rightarrow \mathbf{R}$$ be a twice differentiable function in $$(0,1)$$ such that $$f(0)=3$$ and $$f(1)=5
View Question
If $$\int\limits_{0}^{\sqrt{3}} \frac{15 x^{3}}{\sqrt{1+x^{2}+\sqrt{\left(1+x^{2}\right)^{3}}}} \mathrm{~d} x=\alpha \sq
View Question
Let $$A=\left[\begin{array}{cc}1 & -1 \\ 2 & \alpha\end{array}\right]$$ and $$B=\left[\begin{array}{cc}\beta & 1 \\ 1 &
View Question
For $$\mathrm{p}, \mathrm{q} \in \mathbf{R}$$, consider the real valued function $$f(x)=(x-\mathrm{p})^{2}-\mathrm{q}, x
View Question
For the hyperbola $$\mathrm{H}: x^{2}-y^{2}=1$$ and the ellipse $$\mathrm{E}: \frac{x^{2}}{\mathrm{a}^{2}}+\frac{y^{2}}{
View Question
Let $$x_{1}, x_{2}, x_{3}, \ldots, x_{20}$$ be in geometric progression with $$x_{1}=3$$ and the common ratio $$\frac{1}
View Question
$$\lim\limits_{x \rightarrow 0}\left(\frac{(x+2 \cos x)^{3}+2(x+2 \cos x)^{2}+3 \sin (x+2 \cos x)}{(x+2)^{3}+2(x+2)^{2}+
View Question
The sum of all real values of $$x$$ for which $$\frac{3 x^{2}-9 x+17}{x^{2}+3 x+10}=\frac{5 x^{2}-7 x+19}{3 x^{2}+5 x+12
View Question

Physics

The dimensions of $$\left(\frac{\mathrm{B}^{2}}{\mu_{0}}\right)$$ will be : (if $$\mu_{0}$$ : permeability of free space
View Question
A NCC parade is going at a uniform speed of $$9 \mathrm{~km} / \mathrm{h}$$ under a mango tree on which a monkey is sitt
View Question
In two different experiments, an object of mass $$5 \mathrm{~kg}$$ moving with a speed of $$25 \mathrm{~ms}^{-1}$$ hits
View Question
A balloon has mass of $$10 \mathrm{~g}$$ in air. The air escapes from the balloon at a uniform rate with velocity $$4.5
View Question
If the radius of earth shrinks by $$2 \%$$ while its mass remains same. The acceleration due to gravity on the earth's s
View Question
The force required to stretch a wire of cross-section $$1 \mathrm{~cm}^{2}$$ to double its length will be : (Given Yong'
View Question
A Carnot engine has efficiency of $$50 \%$$. If the temperature of sink is reduced by $$40^{\circ} \mathrm{C}$$, its eff
View Question
Given below are two statements : Statement I : The average momentum of a molecule in a sample of an ideal gas depends on
View Question
In the wave equation $$ y=0.5 \sin \frac{2 \pi}{\lambda}(400 \mathrm{t}-x) \,\mathrm{m} $$ the velocity of the wave will
View Question
Two capacitors, each having capacitance $$40 \,\mu \mathrm{F}$$ are connected in series. The space between one of the ca
View Question
A wire of resistance R1 is drawn out so that its length is increased by twice of its original length. The ratio of new r
View Question
The current sensitivity of a galvanometer can be increased by : (A) decreasing the number of turns (B) increasing the ma
View Question
As shown in the figure, a metallic rod of linear density $$0.45 \mathrm{~kg} \mathrm{~m}^{-1}$$ is lying horizontally on
View Question
The equation of current in a purely inductive circuit is $$5 \sin \left(49\, \pi t-30^{\circ}\right)$$. If the inductanc
View Question
As shown in the figure, after passing through the medium 1 . The speed of light $$v_{2}$$ in medium 2 will be : $$\left(
View Question
In normal adujstment, for a refracting telescope, the distance between objective and eye piece is $$30 \mathrm{~cm}$$. T
View Question
The equation $$\lambda=\frac{1.227}{x} \mathrm{~nm}$$ can be used to find the de-Brogli wavelength of an electron. In th
View Question
The half life period of a radioactive substance is 60 days. The time taken for $$\frac{7}{8}$$th of its original mass to
View Question
Identify the solar cell characteristics from the following options :
View Question
In the case of amplitude modulation to avoid distortion the modulation index $$(\mu)$$ should be :
View Question
If the projection of $$2 \hat{i}+4 \hat{j}-2 \hat{k}$$ on $$\hat{i}+2 \hat{j}+\alpha \hat{k}$$ is zero. Then, the value
View Question
A freshly prepared radioactive source of half life 2 hours 30 minutes emits radiation which is 64 times the permissible
View Question
In a Young's double slit experiment, a laser light of 560 nm produces an interference pattern with consecutive bright fr
View Question
The frequencies at which the current amplitude in an LCR series circuit becomes $$\frac{1}{\sqrt{2}}$$ times its maximum
View Question
As shown in the figure, a potentiometer wire of resistance $$20 \,\Omega$$ and length $$300 \mathrm{~cm}$$ is connected
View Question
Two electric dipoles of dipole moments $$1.2 \times 10^{-30} \,\mathrm{Cm}$$ and $$2.4 \times 10^{-30} \,\mathrm{Cm}$$ a
View Question
The frequency of echo will be __________ Hz if the train blowing a whistle of frequency 320 Hz is moving with a velocity
View Question
The diameter of an air bubble which was initially $$2 \mathrm{~mm}$$, rises steadily through a solution of density $$175
View Question
A block of mass '$$\mathrm{m}$$' (as shown in figure) moving with kinetic energy E compresses a spring through a distanc
View Question
Four identical discs each of mass '$$\mathrm{M}$$' and diameter '$$\mathrm{a}$$' are arranged in a small plane as shown
View Question
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
CBSE
Class 12