JEE Advanced 2020 Paper 1 Offline

Paper was held on
Sat, Sep 26, 2020 9:00 PM

## Chemistry

If the distribution of molecular speeds of a gas is as per the figure shown below, then the ratio of the most probable,

View Question Which of the following liberates O2 upon hydrolysis?

View Question A colourless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous solution of NaCl

View Question Newman projections P, Q, R and S are shown below :Which one of the following options represents identical molecules?

View Question Which of the following structures has the IUPAC name3-ethynyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid?

View Question The Fischer projection of D-erythrose is shown below : D-erythrose and its isomers are listed as P, Q, R, and S in Colu

View Question In thermodynamics, the p-V work done is given by$$w = - \int {dV{p_{ext}}} $$For a system undergoing a particular proce

View Question With respect to the compounds I-V, choose the correct statement(s).

View Question In the reaction scheme shown below Q, R and S are the major products.The correct structure of

View Question Choose the correct statement(s) among the following :

View Question With respect to hypochlorite, chlorate and perchlorate ions, choose the correct statement(s).

View Question The cubic unit cell structure of a compound containing cation M and anion X is shown below. When compared to the anion,

View Question 5.00 mL of 0.10 M oxalic acid solution taken in a conical flask is titrated against NaOH from a burette using phenolphth

View Question Consider the reaction,A $$\rightleftharpoons $$ Bat 1000 K. At time t', the temperature of the system was increased to

View Question Consider a 70% efficient hydrogen-oxygen fuel cell working under standard conditions at 1 bar and 298 K. Its cell reacti

View Question Aluminium reacts with sulphuric acid to form aluminium sulphate and hydrogen. What is the volume of hydrogen gas in litr

View Question $$_{92}^{238}U$$ is known to undergo radioactive decay to form $$_{82}^{206}Pb$$ by emitting alpha and beta particles. A

View Question In the following reaction, compound Q is obtained from compound P via an ionic intermediateWhat is the degree of unsatur

View Question ## Mathematics

Suppose a, b denote the distinct real roots of the quadratic polynomial x2 + 20x $$-$$ 2020 and suppose c, d denote the

View Question If the function f : R $$ \to $$ R is defined by f(x) = |x| (x $$-$$ sin x), then which of the following statements is TR

View Question Let the functions f : R $$ \to $$ R and g : R $$ \to $$ R be defined byf(x) = ex $$-$$ 1 $$-$$ e$$-$$|x $$-$$ 1|and g(x)

View Question Let a, b and $$\lambda $$ be positive real numbers. Suppose P is an end point of the latus return of the parabola y2 = 4

View Question Let C1 and C2 be two biased coins such that the probabilities of getting head in a single toss are $${{2 \over 3}}$$ and

View Question Consider the rectangles lying the region $$\left\{ {(x,y) \in R \times R:0\, \le \,x\, \le \,{\pi \over 2}} \right.$$ a

View Question Let the function f : R $$ \to $$ R be defined by f(x) = x3 $$-$$ x2 + (x $$-$$ 1)sin x and let g : R $$ \to $$ R be an a

View Question Let M be a 3 $$ \times $$ 3 invertible matrix with real entries and let I denote the 3 $$ \times $$ 3 identity matrix. I

View Question Let S be the set of all complex numbers z satisfying |z2 + z + 1| = 1. Then which of the following statements is/are TRU

View Question Let x, y and z be positive real numbers. Suppose x, y and z are the lengths of the sides of a triangle opposite to its a

View Question Let L1 and L2 be the following straight lines.$${L_1}:{{x - 1} \over 1} = {y \over { - 1}} = {{z - 1} \over 3}$$ and $${

View Question Which of the following inequalities is/are TRUE?

View Question Let m be the minimum possible value of $${\log _3}({3^{{y_1}}} + {3^{{y_2}}} + {3^{{y_3}}})$$, where $${y_1},{y_2},{y_3}

View Question Let a1, a2, a3, .... be a sequence of positive integers in arithmetic progression with common difference 2. Also, let b1

View Question Let f : [0, 2] $$ \to $$ R be the function defined by$$f(x) = (3 - \sin (2\pi x))\sin \left( {\pi x - {\pi \over 4}} \r

View Question In a triangle PQR, let a = QR, b = RP, and c = PQ. If |a| = 3, |b| = 4 and $${{a\,.(\,c - \,b)} \over {c\,.\,(a - \,b)}}

View Question For a polynomial g(x) with real coefficients, let mg denote the number of distinct real roots of g(x). Suppose S is the

View Question let e denote the base of the natural logarithm. The value of the real number a for which the right hand limit$$\mathop {

View Question ## Physics

A football of radius R is kept on a hole of radius r (r < R) made on a plank kept horizontally. One
end of the plank

View Question A small roller of diameter 20 cm has an axle of diameter 10 cm (see figure below on the left). It is
on a horizontal flo

View Question A parallel beam of light strikes a piece of transparent glass having cross section as shown in the figure
below. Correct

View Question A circular coil of radius R and N turns has negligible resistance. As shown in the schematic figure,
its two ends are co

View Question A light disc made of aluminium (a nonmagnetic material) is kept horizontally and is free to rotate
about its axis as sho

View Question An open-ended U-tube of uniform cross-sectional area contains water (density 103 kg m−3
). Initially the
water level sta

View Question The filament of a light bulb has surface area 64 mm2
. The filament can be considered as a black
body at temperature 250

View Question Sometimes it is convenient to construct a system of units so that all quantities can be expressed in
terms of only one p

View Question A particle of mass m moves in circular orbits with potential energy V(r) = Fr, where F is a positive
constant and r is i

View Question A uniform electric field, $$\overrightarrow E = - 400\sqrt 3 \widehat y$$ NC−1
is applied in a region. A charged parti

View Question Shown in the figure is a semicircular metallic strip that has thickness t and resistivity $$\rho $$. Its inner
radius is

View Question Consider one mole of helium gas enclosed in a container at initial pressure P1 and volume V1. It
expands isothermally to

View Question One end of a spring of negligible unstretched length and spring constant k is fixed at the origin (0, 0).
A point partic

View Question Put a uniform meter scale horizontally on your extended index fingers with the left one at 0.00 cm
and the right one at

View Question When water is filled carefully in a glass, one can fill it to a height h above the rim of the glass due to
the surface t

View Question As shown schematically in the figure, two vessels contain water solutions (at temperature T) of
potassium permanganate (

View Question A circular disc of radius R carries surface charge density
$$\sigma \left( r \right) = {\sigma _0}\left( {1 - {r \over R

View Question A stationary tuning fork is in resonance with an air column in a pipe. If the tuning fork is moved with
a speed of 2 ms−

View Question