NEW
New Website Launch
Experience the best way to solve previous year questions with mock tests (very detailed analysis), bookmark your favourite questions, practice etc...

JEE Main 2020 (Online) 9th January Morning Slot

Exam Held on Thu Jan 09 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

Identify (A) in the following reaction sequence : <img src="https://imagex.cdn.e...
For the following reactions<br> $$A\buildrel {700K} \over \longrightarrow {\mat...
The correct order of heat of combustion for following alkadienes is :<br> <img s...
The K<sub>sp</sub> for the following dissociation is 1.6 × 10<sup>–5</sup><br><b...
[Pd(F)(Cl)(Br)(I)]<sup>2–</sup> has n number of geometrical isomers. Then, the s...
If the magnetic moment of a dioxygen species is 1.73 B.M, it may be :
According to the following diagram, A reduces BO<sub>2</sub> when the temperatur...
A chemist has 4 samples of artificial sweetener A, B, C and D. To identify these...
'X' melts at low temperature and is a bad conductor of electricity in both liqui...
If enthalpy of atomisation for Br<sub>2(1)</sub> is x kJ/mol and bond enthalpy f...
The increasing order of basicity for the following intermediates is (from weak t...
B has a smaller first ionization enthalpy than Be. Consider the following statem...
The acidic, basic and amphoteric oxides, respectively, are :
The major product Z obtained in the following reaction scheme is : <img src="htt...
Which of these will produce the highest yield in Friedel Crafts reaction?
The compound that cannot act both as oxidising and reducing agent is :
Complex X of composition Cr(H<sub>2</sub>O)<sub>6</sub>Cl<sub>n</sub> has a spin...
The major product (Y) in the following reactions is : <img src="https://imagex.c...
The de Broglie wavelength of an electron in the 4th Bohr orbit is :
The electronic configurations of bivalent europium and trivalent cerium are<br> ...
The hardness of a water sample containing 10<sup>–3</sup> M MgSO<sub>4</sub> exp...
The molarity of HNO<sub>3 </sub>in a sample which has density 1.4 g/mL and mass ...
108 g of silver (molar mass 108 g mol<sup>–1</sup>) is deposited at cathode from...
The mass percentage of nitrogen in histamine is _____.
How much amount of NaCl should be added to 600 g of water ($$\rho $$ = 1.00 g/mL...

Mathematics

If the number of five digit numbers with distinct digits and 2 at the 10<sup>th<...
A spherical iron ball of 10 cm radius is coated with a layer of ice of uniform t...
Let z be complex number such that <br> $$\left| {{{z - i} \over {z + 2i}}} \righ...
In a box, there are 20 cards, out of which 10 are lebelled as A and the remainin...
The value of <br>$$\int\limits_0^{2\pi } {{{x{{\sin }^8}x} \over {{{\sin }^8}x +...
If ƒ'(x) = tan<sup>–1</sup>(secx + tanx), $$ - {\pi \over 2} &lt; x &lt; {\pi ...
If the matrices A = $$\left[ {\matrix{ 1 &amp; 1 &amp; 2 \cr 1 &amp; 3 &...
The number of real roots of the equation, <br>e<sup>4x</sup> + e<sup>3x</sup> – ...
Negation of the statement : <br><br>$$\sqrt 5 $$ is an integer or 5 is irrationa...
The product $${2^{{1 \over 4}}}{.4^{{1 \over {16}}}}{.8^{{1 \over {48}}}}{.16^{{...
Let the observations x<sub>i</sub> (1 $$ \le $$ i $$ \le $$ 10) satisfy the <br>...
A circle touches the y-axis at the point (0, 4) and passes through the point (2,...
If e<sub>1</sub> and e<sub>2</sub> are the eccentricities of the ellipse, $${{{x...
If for all real triplets (a, b, c), ƒ(x) = a + bx + cx<sup>2</sup>; then $$\int\...
The value of<br> $${\cos ^3}\left( {{\pi \over 8}} \right)$$$${\cos}\left( {{3\...
Let ƒ be any function continuous on [a, b] and twice differentiable on (a, b). I...
Let C be the centroid of the triangle with vertices (3, –1), (1, 3) and (2, 4). ...
If $$f(x) = \left\{ {\matrix{ {{{\sin (a + 2)x + \sin x} \over x};} &amp; {x ...
The integral $$\int {{{dx} \over {{{(x + 4)}^{{8 \over 7}}}{{(x - 3)}^{{6 \over ...
The number of distinct solutions of the equation<br> $${\log _{{1 \over 2}}}\le...
If for some $$\alpha $$ and $$\beta $$ in R, the intersection of the following t...
The coefficient of x<sup>4</sup> is the expansion of (1 + x + x<sup>2</sup>)<sup...
If for x $$ \ge $$ 0, y = y(x) is the solution of the differential equation<br> ...
If the vectors, $$\overrightarrow p = \left( {a + 1} \right)\widehat i + a\wide...
The projection of the line segment joining the points (1, –1, 3) and (2, –4, 11)...

Physics

A quantity f is given by $$f = \sqrt {{{h{c^5}} \over G}} $$ where c is speed of...
A long, straight wire of radius a carries a current distributed uniformly over i...
The electric fields of two plane electromagnetic plane waves in vacuum are given...
Consider a sphere of radius R which carries a uniform charge density $$\rho $$. ...
A body A of mass m is moving in a circular orbit of radius R about a planet. Ano...
Consider a force $$\overrightarrow F = - x\widehat i + y\widehat j$$ . The wor...
A particle moving with kinetic energy E has de Broglie wavelength $$\lambda $$. ...
Consider two ideal diatomic gases A and B at some temperature T. Molecules of th...
If the screw on a screw-gauge is given six rotations, it moves by 3 mm on the ma...
A vessel of depth 2h is half filled with a liquid of refractive index $$2\sqrt 2...
The aperture diameter of a telescope is 5m. The separation between the moon and ...
Radiation, with wavelength 6561 $$\mathop A\limits^o $$ falls on a metal surface...
Two particles of equal mass m have respective <br>initial velocities $$u\widehat...
In the given circuit diagram, a wire is joining points B and D. The current in t...
Which of the following is an equivalent cyclic process corresponding to the ther...
A charged particle of mass 'm' and charge 'q' moving under the influence of unif...
Three harmonic waves having equal frequency $$\nu $$ and same intensity $${I_0}$...
An electric dipole of moment <br>$$\overrightarrow p = \left( { - \widehat i - ...
<img src="https://imagex.cdn.examgoal.net/7k9k2k5imvulf/cc0f90ad-e97b-4d41-8dca-...
Water flows in a horizontal tube (see figure). <br>The pressure of water changes...
One end of a straight uniform 1m long bar is pivoted on horizontal table. It is ...
In a fluorescent lamp choke (a small transformer) 100 V of reverse voltage is pr...
The distance x covered by a particle in one dimensional motion varies with time ...
A body of mass m = 10 kg is attached to one end of a wire of length 0.3 m. The m...
Both the diodes used in the circuit shown are assumed to be ideal and have negli...

Joint Entrance Examination

JEE Main JEE Advanced WB JEE

Graduate Aptitude Test in Engineering

GATE CSE GATE ECE GATE EE GATE ME GATE CE GATE PI GATE IN

Medical

NEET

CBSE

Class 12