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JEE Main 2020 (Online) 4th September Evening Slot

Exam Held on Fri Sep 04 2020 09:30:00 GMT+0000 (Coordinated Universal Time)
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Chemistry

Among the following compounds, which one has the shortest C – Cl bond?
The processes of calcination and roasting in metallurgical industries, respectiv...
The incorrect statement(s) among (a) - (c) is (are) <br><br>(a) W(VI) is more st...
The process that is NOT endothermic in nature is :
The Crystal Field Stabilization Energy <br>(CFSE) of [CoF<sub>3</sub>(H<sub>2</s...
In the following reaction sequence, [C] is : <picture><source media="(max-width:...
The one that can exhibit highest paramagnetic behaviour among the following is :...
The reaction in which the hybridisation of the underlined atom is affected is :
If the equilibrium constant for<br> A ⇌ B + C is $$K_{eq}^{(1)}$$ and that of <b...
An alkaline earth metal ‘M’ readily forms water soluble sulphate and water insol...
The major product [B] in the following reactions is : <img src="https://imagex.c...
Five moles of an ideal gas at 1 bar and 298 K is expanded into vacuum to double ...
The shortest wavelength of H atom in the Lyman series is $$\lambda$$<sub>1</sub...
250 mL of a waste solution obtained from the workshop of a goldsmith contains 0....
The major product [C] of the following reaction sequence will be : <img src="htt...
A sample of red ink (a colloidal suspension) is prepared by mixing eosin dye, eg...
The molecule in which hybrid MOs involve only one d-orbital of the central atom ...
The major product [R] in the following sequence of reactions as : <br><img src="...
Which of the following compounds will form the precipitate with aq. AgNO<sub>3</...
The mechanism of action of ''Terfenadine'' (Seldane) is :
Consider the following equations : <br>2Fe<sup>2+</sup> + H<sub>2</sub>O<sub>2<...
The number of chiral centres present in threonine is ________.
The number of molecules with energy greater than the threshold energy for a reac...
The osmotic pressure of a solution of NaCl is 0.10 atm and that of a glucose sol...
A 100 mL solution was made by adding 1.43 g of Na<sub>2</sub>CO<sub>3</sub>.xH<s...

Mathematics

If a and b are real numbers such that<br> $${\left( {2 + \alpha } \right)^4} = a... Suppose the vectors x<sub>1</sub>, x<sub>2</sub> and x<sub>3</sub> are the <br>s... The distance of the point (1, –2, 3) from<br> the plane x – y + z = 5 measured p... If the perpendicular bisector of the line segment joining the points P(1 ,4) and... Contrapositive of the statement :<br> ‘If a function f is differentiable at a, t... The minimum value of 2<sup>sinx</sup> + 2<sup>cosx</sup> is: Let$$f:\left( {0,\infty } \right) \to \left( {0,\infty } \right)$$be a differe... The area (in sq. units) of the largest rectangle ABCD whose vertices A and B lie... The integral <br>$$\int\limits_{{\pi \over 6}}^{{\pi \over 3}} {{{\tan }^3}x.{...
If the system of equations<br> x+y+z=2<br> 2x+4y–z=6<br> 3x+2y+$$\lambda$$z=$$\... In a game two players A and B take turns in throwing a pair of fair dice startin... The function <br>$$f(x) = \left\{ {\matrix{ {{\pi \over 4} + {{\tan }^{ - 1}...
If for some positive integer n, the coefficients<br> of three consecutive terms ...
The solution of the differential equation <br><br> $${{dy} \over {dx}} - {{y + 3... Let$$\lambda \ne 0$$be in R. If$$\alpha $$and$$\beta $$are the roots of ... Let$$\mathop \cup \limits_{i = 1}^{50} {X_i} = \mathop \cup \limits_{i = 1}^n...
The angle of elevation of a cloud C from a point P, 200 m above a still lake is ...
Let x = 4 be a directrix to an ellipse whose centre is at the origin and its ecc...
Let a<sub>1</sub>, a<sub>2</sub>, ..., an be a given A.P. whose<br> common diffe...
The circle passing through the intersection of the circles, <br>x<sup>2</sup> + ...
Let {x} and [x] denote the fractional part of x and <br>the greatest integer $$... Let PQ be a diameter of the circle x<sup>2</sup> + y<sup>2</sup> = 9. If$$\alph...
If $$\overrightarrow a = 2\widehat i + \widehat j + 2\widehat k$$, then the va...
If the variance of the following frequency distribution :<br><br> Class&nbsp;&nb...
A test consists of 6 multiple choice questions, each having 4 alternative answer...

Physics

A circular coil has moment of inertia 0.8 kg m<sup>2</sup> around any diameter ...
A person pushes a box on a rough horizontal plateform surface. He applies a forc...
A small ball of mass m is thrown upward with velocity u from the ground. The bal...
The driver of a bus approaching a big wall notices that the frequency of his bus...
Match the thermodynamic processes taking place in a system with the correct cond...
Consider two uniform discs of the same thickness and different radii R<sub>1</su...
A series L-R circuit is connected to a battery of emf V. If the circuit is switc...
The electric field of a plane electromagnetic wave is given by <br>$$\overrighta... A cube of metal is subjected to a hydrostatic pressure of 4 GPa. The percentage ... A paramagnetic sample shows a net magnetisation of 6 A/m when it is placed in an... A body is moving in a low circular orbit about a planet of mass M and radius R. ... A particle of charge q and mass m is subjected to an electric field<br> E = E<su... A capacitor C is fully charged with voltage V<sub>0</sub>. After disconnecting t... Find the Binding energy per neucleon for$${}_{50}^{120}Sn$$. Mass of proton m<s... Two identical cylindrical vessels are kept on the ground and each contain the sa... For a uniform rectangular sheet shown in the figure, the ratio of moments of ine... The value of current i<sub>1</sub> flowing from A to C in the circuit diagram i... The speed verses time graph for a particle is shown in the figure. The distance ... A quantity x is given by$$\left( {{{IF{v^2}} \over {W{L^4}}}} \right)$$in term... Four resistances 40$$\Omega $$, 60$$\Omega $$, 90$$\Omega $$and 110$$\Omega...
Identify the operation performed by the circuit given below : <img src="https://...
In a photoelectric effect experiment, the graph of stopping potential V versus r...
The change in the magnitude of the volume of an ideal gas when a small additiona...
Orange light of wavelength 6000 $$\times$$ 10<sup>–10</sup> m illuminates a si...
The distance between an object and a screen is 100 cm. A lens can produce real i...

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