JEE Main 2026 (Online) 6th April Evening Shift

The percentage error in the calculated volume of a sphere, if there is 2% error in its diameter measurement, is .

1. 1
2. 2
3. 6
4. 8

Match List-I with List-II. Choose the correct answer from the options given below :

1. A-I, B-II, C-III, D-IV
2. A-IV, B-III, C-II, D-I
3. A-III, B-IV, C-II, D-I
4. A-II, B-I, C-IV, D-III

A solid sphere (A) of mass 5m and a spherical shell (B) of mass m, both having same radius, are placed on a rough surface. When a force of same magnitude is applied tangentially at the highest points of A and B, they start rolling without slipping with an acceleration of aA and aB, respectively. The ratio of aA and aB is .

1. 5 : 21
2. 6 : 10
3. 21 : 25
4. 1 : 5

A body of mass 1 kg moves along a straight line with a velocity v=2x2. The work done by the body during displacement from x=0 to 5 m is J.

1. 0
2. 250
3. 1250
4. 1000

A cylinder with adiabatic walls is closed at both ends and is divided into two compartments by a frictionless adiabatic piston. Ideal gas is filled in both (left and right) the compartments at same P, V, T. Heating is started from left side until pressure changes to 27P8. If initial volume of each compartment was 9 litres then the final volume in right-hand side compartment is litres. (for this ideal gas CP/CV=1.5)

1. 3
2. 4
3. 14
4. 9

For an electromagnetic wave propagating through vacuum, k, E and represent propagation vector, electric field and angular frequency, respectively. The magnetic field associated with this wave is represented by :

1. E k
2. k E
3. ( E k )
4. ( k E )

Two identical bodies A and B of equal masses have initial velocities v1=4 i m/s and v2=4 j m/s respectively. The body A has acceleration a1=6 i+6 j m/s2 while the acceleration of the other body B is zero. The centre of mass of the two bodies moves in path.

1. circular
2. parabolic
3. straight line
4. elliptical

Figure represents the extension ( l) of a wire of length 1 meter, suspended from the ceiling of the room at one end with a load W connected to the other end. If the cross-sectional area of the wire is 10-5 m2 then the Young's modulus of the wire is N/m2. [figure]

1. 1.0 1011
2. 2.0 1010
3. 1.0 1010
4. 2.0 1011

A cylindrical vessel of 40 cm radius is completely filled with water and its capacity is 528 dm3 (dm : decimeter). The vessel is placed on a solid block of exactly same height as vessel. If a small hole is made at 70 cm below the top of water level, then horizontal range of water falling on the ground in the beginning is cm.

1. 120 2
2. 140 2
3. 140 3
4. 120 3

If 2 mole of an ideal monoatomic gas at temperature T, is mixed with 6 mole of another ideal monoatomic gas at temperature 2T then the temperature of mixture is :

1. 52T
2. 54T
3. 72T
4. 74T

A spring stretches by 2 mm when it is loaded with a mass of 200 g. From equilibrium position the mass is further pulled down by 2 mm and released. The frequency associated with the system and maximum energy in the spring are Hz and J, respectively. (Take g = 10 m/s2)

1. 5 50 and 8 10-3
2. 5 50 and 8
3. 10 50 and 2 10-3
4. 5 50 and 16 10-3

The electric potential as a function of x, y is given by V=5 (x2-y2 ) V. The electric field at a point (2, 3) m is V/m.

1. (-20 i+30 j )
2. (20 i-30 j )
3. (20 i+45 j )
4. (-4 i+6 j )

A current of 30 A each flows in opposite directions in two conducting wires, placed parallel to each other at a distance of 8 cm. The magnetic field at the mid point between the two wires is μT. ( 04 =10-7 N/A2)

1. 30
2. 300
3. 150
4. 0.0

A square loop of side 2 cm is placed in a time varying magnetic field with magnitude as B=0.4 (300t) Tesla. The normal to the plane of loop makes an angle of 60° with the field. The maximum induced emf produced in the loop is mV.

1. 12
2. 18
3. 21
4. 24

A sphere of capacitance 100 pF is charged to a potential of 100 V. Another identical uncharged metal sphere is brought in contact with the charged sphere, then the change in the total energy stored on these spheres, when they touch is 10-7 J. The value of is . (combined capacitance of spheres is 200 pF)

1. 5
2. 52
3. 72
4. 92

The energy released if hydrogen atoms are combined to form 24He is MeV. (Take binding energies per nucleon of 12H and 24He as 1.1 MeV and 7.2 MeV, respectively)

1. 6.1
2. 24.4
3. 26.6
4. 5

Angle of minimum deviation is equal to the half of the angle of prism in an equilateral prism. The refractive index of the prism is .

1. 1.5
2. 3
3. 2
4. 1.65

Refer to the logic circuit given below. For two inputs (A=1, B=1) and (A=0, B=1), output (Y) will be . [figure]

1. 1, 0 respectively
2. 0, 1 respectively
3. 0, 0 respectively
4. 1, 1 respectively

The velocity at which 6 kg mass (shown in figure) strikes the ground when it is released from a height of 6 m above the ground is m/s. Assume pulley is massless and string is light and inextensible. (Take g = 10 m/s2) [figure]

1. 7.74
2. 7.20
3. 6.55
4. 4.50

In a Young double slit experiment, the wavelength of incident light is 6000 Å, the separation between slits S1 and S2 is 5 cm and the distance between slits plane and screen is 50 cm, as shown in the figure below. If the resultant intensity at P is equal to the intensity due to individual slits, the path difference between interfering waves is Å. [figure]

1. 4000
2. 3000
3. 2000
4. 1000

A block takes t time to slide down a plane inclined at 45° to the horizontal. If the surface is made smooth (frictionless), the block takes time t2 to slide down the plane. The coefficient of friction between the block and the inclined plane is ( 100 ). The value of is .

The de Broglie wavelength for an electron accelerated through the potential difference of V1 volt is 1. When the potential difference is changed to V2 volt, the associated de Broglie wavelength is increased by 50%. If (V1/V2 )= (9/ ), then the value of is .

A moving coil of galvanometer when shunted with 2 resistance gives a full scale deflection for a current of 500 mA. When a resistance of 470 is connected in series it gives a full scale deflection for 10 V potential applied on it. The value of resistance of galvanometer coil is .

Two cells of emfs 1 V and 2 V and internal resistance 2 and 1 , respectively connected in parallel, gave a current of 1 A through an external resistance. If the polarity of one cell is reversed, then value of current through the external resistance will be 5 A. The value of is .

A concave mirror of focal length 10 cm forms an image which is double the size of object when the object is placed at two different positions. The distance between the two positions of the object is cm.

Which of the following contain the same number of atoms? (Given : Molar mass in g mol-1 of H, He, O and S are 1, 4, 16 and 32 respectively) Choose the correct answer from the options given below :

1. A and B only
2. B and C only
3. C and D only
4. A, C and E only

The Bohr radius of a hydrogen like species is 70.53 pm. The species and the stationary state (n) are respectively (Given : Hydrogen atom Bohr radius is 52.9 pm)

1. Li2+, 3
2. He+, 3
3. He+, 2
4. Li2+, 2

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

Match List - I with List - II. Given V1 and V2 are initial and final volumes respectively. Choose the correct answer from the options given below :

1. A-II, B-III, C-I, D-IV
2. A-II, B-I, C-IV, D-III
3. A-II, B-I, C-III, D-IV
4. A-I, B-II, C-III, D-IV

Given below are two statements : [figure] In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

Given is a concentrated solution of a weak electrolyte AxBy of concentration 'c' and dissociation constant 'K'. The degree of dissociation is given by :

1. [K cx+y-1xxyy ]x+y
2. ( Kcx+y-1xxyy ) 1x+y
3. ( cx+y-1xxyyK )x+y
4. ( cx+y-1xxyyK ) 1x+y

For a general redox reaction Anode Red1 Ox1n1+ + n1e- Cathode Ox2 + n2e- Red2n2- Which of the following statement is incorrect?

1. The overall reaction can be written as n2Red1 + n1Ox2 n2Ox1n1+ + n1Red2n2-
2. The electrons do not appear in the overall reaction because electrons produced at the anode are consumed at the cathode.
3. [figure] Here n is the number of electrons transferred in redox reaction.
4. If the reaction is carried out reversibly, the electrical work done is equal to the ratio of charge and potential difference through which charge is moved.

In a period, the first ionisation enthalpy of the element at extreme left and the negative electron gain enthalpy of the extreme right element, except noble gases, are respectively.

1. lowest and lowest
2. highest and lowest
3. lowest and highest
4. highest and highest

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

The correct order of first ( iH1) and second ( iH2) ionisation enthalpy values of Cr and Mn are : Choose the correct answer from the options given below :

1. A and B only
2. B and C only
3. A and D only
4. C and D only

Which of the following sequences of hybridisation, geometry and magnetic nature are correct for the given coordination compounds ? Choose the correct answer from the options given below :

1. A, B, C and D
2. B, C and D only
3. A, C and D only
4. A, B and D only

Given below are two statements : In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

Shown below is the structure of methyl acetate with three different α, β and γ carbon - oxygen bonds. [figure] The correct order of bond lengths of these bonds is :

1. α > β > γ
2. α < β < γ
3. α = β = γ
4. α < β = γ

'x' is the product which is obtained by the hydrolysis of prop-1-yne in the presence of mercuric sulphate under dilute acidic medium at 333 K. 'y' is the product which is obtained by the reaction of ethane nitrile with methyl magnesium bromide in dry ether followed by hydrolysis. IUPAC name of product obtained from 'x' and 'y' in the presence of barium hydroxide followed by heating is :

1. 2-Methylpent-4-en-3-one
2. 4-Methylpent-3-en-2-one
3. 4-Methylpent-1-ene
4. 2-Methylpent-3-one

An optically active alkyl bromide C4H9Br, reacts with ethanolic KOH to form major compound [A] which reacts with bromine to give compound [B]. Compound [B] reacts with ethanolic KOH and sodamide to give compound [C]. One molecule of water adds to compound [C] on warming with mercuric sulphate and dilute sulphuric acid at 333 K to form compound [D]. The functional group in compound D will be confirmed by :

1. Haloform test
2. Lucas test
3. Silver mirror test
4. Benedict test

Consider the following reaction. [figure] In the light of the above statements, choose the correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

Consider the following organic reaction sequence. Choose the final product (X) from the following (consider the major product in all intermediate reactions) [figure]

1. Benzene
2. Phenol
3. Propanol
4. Chlorobenzene

The number of compounds from the following which can undergo reaction with Br2/KOH (alcoholic) to give respective products and these respective products can also be obtained separately by Gabriel phthalimide reaction is : [figure]

1. 5
2. 4
3. 3
4. 6

Consider the following reactions. Total number of electrons in the π bonds and lone pair of electrons in the product (X) is : [figure]

1. 12
2. 16
3. 14
4. 18

Treatment of a gas 'X' with a freshly prepared ferrous sulphate solution gives a compound 'Y' as a brown ring. The compounds X and Y are:

1. NO and [Fe(NO)]SO4
2. NO2 and [Fe(NO2)]SO4
3. N2O and [Fe(N2O)]SO4
4. N2O4 and [Fe(N2O4)]SO4

An excess of AgNO3 is added to 100 mL of a 0.05 M solution of tetraaquadichloridochromium (III) chloride. The number of moles of AgCl precipitated will be 10-3. (Nearest integer)

An alkane (Y) requires 8 moles of oxygen for complete combustion and on chlorination with Cl2/h , (Y) gives only one monochlorinated product (Z). The total number of primary carbon atoms in (Y) is .

500 mL of 0.2 M MnO4- solution in basic medium when mixed with 500 mL of 1.5 M KI solution, oxidises iodide ions to liberate molecular iodine. This liberated iodine is then titrated with a standard x M thiosulphate solution in presence of starch till the end point. If 300 mL of thiosulphate was consumed, then the value of x is .

In a closed flask at 600 K, one mole of X2Y4(g) attains equilibrium as given below : X2Y4(g) 2XY2(g) At equilibrium, 75% X2Y4(g) was dissociated and the total pressure is 1 atm. The magnitude of rG (in kJ mol-1) at this temperature is . (Nearest Integer) (Given : R = 8.3 J mol-1 K-1; ln 10 = 2.3, log 2 = 0.3, log 3 = 0.48, log 5 = 0.69, log 7 = 0.84)

Decomposition of a hydrocarbon follows the equation k = (5.5 1011 s-1) e-28000 K/T. The activation energy of reaction is kJ mol-1. (Nearest Integer) Given : R = 8.3 J K-1 mol-1

Let f: R R be defined as f(x)= 2x2-3x+23x2+x+3. Then f is :

1. both one-one and onto
2. one-one but not onto
3. onto but not one-one
4. neither one-one nor onto

Consider the quadratic equation (n2-2n+2 )x2-3x+ (n2-2n+2 )2=0, n R. Let be the minimum value of the product of its roots and be the maximum value of the sum of its roots. Then the sum of the first six terms of the G.P., whose first term is and the common ratio is , is :

1. 6137
2. 12181
3. 364243
4. 1093729

Let S= \z C : z2+ 6 iz-3=0 \. Then z S z8 is equal to :

1. 162
2. 184
3. 262
4. 324

The sum of all possible values of [0, 2 ], for which the system of equations : x 3 -8y-12z=0 x 2 +3y+3z=0 x+y+3z=0 has a non-trivial solution, is equal to :

2. 2
3. 3
4. 4

Let A= bmatrix1 & 0 & 0\ 3 & 1 & 0\ 9 & 3 & 1 bmatrix and B= [bij ], 1 i, j 3. If B=A99-I, then the value of b31-b21b32 is :

1. 99
2. 199
3. 149
4. 159

The sum 1+ 12 (12+22 )+ 13 (12+22+32 )+ upto 10 terms is equal to :

1. 130
2. 155
3. 3152
4. 3252

A building has ground floor and 10 more floors. Nine persons enter in a lift at the ground floor. The lift goes up to the 10th floor. The number of ways, in which any 4 persons exit at a floor and the remaining 5 persons exit at a different floor, if the lift does not stop at the first and the second floors, is equal to :

1. 2184
2. 3064
3. 7056
4. 11340

Let the mean and the variance of seven observations 2, 4, , 8, , 12, 14, < , be 8 and 16 respectively. Then the quadratic equation whose roots are 3 +2 and 2 +1 is :

1. x2-35x+306=0
2. x2-41x+420=0
3. x2-45x+506=0
4. x2-37x+342=0

A bag contains 6 blue and 6 green balls. Pairs of balls are drawn without replacement until the bag is empty. The probability that each drawn pair consists of one blue and one green ball is :

1. 63925
2. 17231
3. 16231
4. 64925

Let C be a circle having centre in the first quadrant and touching the x-axis at a distance of 3 units from the origin. If the circle C has an intercept of length 6 3 on y-axis, then the length of the chord of the circle C on the line x-y=3 is :

1. 8
2. 6
3. 6 2
4. 8 2

The eccentricity of an ellipse E with centre at the origin O is 32 and its directrices are x= 4 63. Let H: x2a2- y2b2=1 be a hyperbola whose eccentricity is equal to the length of semi-major axis of E, and whose length of latus rectum is equal to the length of minor axis of E. Then the distance between the foci of H is :

1. 4 2 7
2. 4 27
3. 4 7
4. 87

Let x=9 be a directrix of an ellipse E, whose centre is at the origin and eccentricity is 13. Let P( , 0), >0, be a focus of E and AB be a chord passing through P. Then the locus of the mid point of AB is :

1. 9y2=8x(1-x)
2. 3y2=4x(1-x)
3. 9y2=8x(x-1)
4. 3y2=4x(x-1)

If ( -1 (x 2 ) )= ( -1 1-x2 ), x (0, 1), then the value of x is :

1. 12
2. 13
3. 23
4. 58

The shortest distance between the lines x-41= y-32= z-2-3 and x+22= y-64= z-5-5 is :

1. 5 66
2. 2 5
3. 3 5
4. 4 5

Let a=2 i+3 j+3 k and b=6 i+3 j+3 k. Then the square of the area of the triangle with adjacent sides determined by the vectors (2 a+3 b ) and ( a- b ) is :

1. 450
2. 900
3. 1800
4. 2400

Let x 2 ( (x-2) ) (rx2+(p-2)x-2p )(x-2)2=5 for some r, p R. If the set of all possible values of q, such that the roots of the equation rx2-px+q=0 lie in (0, 2), be the interval ( , ], then 4( + ) equals :

1. 11
2. 13
3. 17
4. 21

Let A= bmatrix1 & 3 & -1\ 2 & 1 & \ 0 & 1 & -1 bmatrix be a singular matrix. Let f(x)= 0x (t2+2t+3 )dt, x [1, ]. If M and m are respectively the maximum and the minimum values of f in [1, ], then 3(M-m) is equal to :

1. 64
2. 68
3. 72
4. 76

Let f: R R be such that f(xy)=f(x)f(y), for all x, y R and f(0) 0. Let g: [1, ) R be a differentiable function such that x2g(x)= 1x (t2f(t)-tg(t) )dt. Then g(2) is equal to :

1. 138
2. 1116
3. 1532
4. 1764

The area of the region \(x, y) : x2-8x y -x \ is :

1. 3436
2. 6376
3. 4376
4. 5236

The value of the integral -11 ( x3+|x|+1x2+2|x|+1 )dx is equal to :

1. 3 e 2
2. 2 e 2
3. 5 e 3
4. 3 e 3

Let R= \(x, y) N N : e(x+y) 2 \. Then the minimum number of elements, required to be added in R to make it a transitive relation, is .

If (1-x3 )10= r=010arxr(1-x)30-2r, then 9a9a10 is equal to .

Let the line x-y=4 intersect the circle C: (x-4)2+(y+3)2=9 at the points Q and R. If P( , ) is a point on C such that PQ=PR, then (6 +8 )2 is equal to .

Let the image of the point P(0, -5, 0) in the line x-12= y1= z+1-2 be the point R and the image of the point Q (0, -12, 0 ) in the line x-1-1= y+94= z+11 be the point S. Then the square of the area of the parallelogram PQRS is .

Let f(x)= casesx3+8; & x<0,\ x2-4; & x 0, cases and g(x)= cases(x-8)1/3; & x<0,\ (x+4)1/2; & x 0. cases Then the number of points, where the function g f is discontinuous, is .