Chemistry
1. If uncertainty in position and momentum of an electron are equal, then uncertainty in its velocity is2. The graph between variation of probability density. $\psi^2(r)$ and distance of the electron from the nucleus, $r$ is sh3. Match the following. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;bor4. Observe the following reactions. Identify the reaction in which the hybridisation of underlined atom is changed5. Among the following species, correct set of isostructural pairs are $\mathrm{XeO}_3, \mathrm{CO}_3^{2-}, \mathrm{SO}_3, 6. What is the ratio of kinetic energies of 3 g of hydrogen and 4 g of oxygen at a certain temperature?7. What is the kinetic energy (in $\mathrm{J} \mathrm{mol}^{-1}$ ) of one mole of an ideal gas (molar mass $=0.1 \mathrm{~k8. At STP ' $x$ ' $g$ of a metal hydrogen carbonate $\left(M \mathrm{HCO}_3\right)$ (molar mass $84 \mathrm{~g} \mathrm{~mo9. The volume of an ideal gas contracts from 10.0 L to 2.0 L under an applied pressure of 2.0 atm . During contraction the 10. The molar heat of fusion and vaporisation of benzene are 10.9 and $31.0 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. T11. At $T(\mathrm{~K})$, the equilibrium constant for the reaction $\mathrm{H}_2(g)+\mathrm{Br}_2(\mathrm{~g}) \rightlefthar12. Which of the following will make a basic buffer solution?13. The hydrides of which group elements are examples of electron precise hydrides?14. The correct order of density of $\mathrm{Be}, \mathrm{Mg}, \mathrm{Ca}, \mathrm{Sr}$ is15. Which of the following orders is not correct against the given property?16. Which of the following are correct?i. Basic structural unit of silicates is $-R_2 \mathrm{SiO}-$ii. Silicones are biocom17. An metal catalyst $(X)$ is used in the catalytic converter of automobiles. This prevents the release of gas $Y$ into the18. A mixture of substances $A, B, C, D$ is subjected to column chromatography. The degree of adsorption is the order of $D>19. What is $X$ in the following reaction? 20. The density of $\beta-\mathrm{Fe}$ is $7.6 \mathrm{~g} \mathrm{~cm}^{-3}$. It crystallises in cubic lattice with $\mathr21. The mass % of urea solution is 6 . The total weight of the solution is 1000 g . What is its concentration in $\mathrm{mo22. A non- volatile solute is dissolved in water. The $\Delta T_{\mathrm{b}}$ of resultant solution is 0.052 K . What is the23. The standard reduction potentials of $2 \mathrm{H}^{+} / \mathrm{H}_2, \mathrm{Cu}^{2+} / \mathrm{Cu}, \mathrm{Zn}^{2+} 24. At 298 K the value of $-\frac{\Delta\left[\mathrm{Br}^{-}\right]}{\Delta t}$ for the reaction,
$5 \mathrm{Br}^{-}(a q)+25. Which of the following general reaction is an example for heterogeneous catalysis?26. Match List I with List II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:sol27. The type of iron obtained from blast furnace in the extraction of iron is28. $\mathrm{Xe}(g)+2 \mathrm{~F}_2(g) \xrightarrow[7 \text { bar }]{873 \mathrm{~K}} \mathrm{XeF}_4(\mathrm{~s})$The ratio 29. The transition metal with highest melting point is30. Arrange the following in the increasing order of number of unpaired electrons present in the central metal ionI. $\left[31. Which of the following polymerisation leads to the formation of neoprene ?32. Which of the following represents simplified version of nucleoside?33. Which of the following amino acids possess two chiral centres?34. Which of the following sweetener use is limited to soft drinks?35. Which of the following are general methods for the preparation of 1 -iodopropane? 36. The product of which of the following reactions undergo hydrolysis by $\mathrm{S}_{\mathrm{N}} 1$ mechanism? 37. Styrene on reaction with reagent $X$ gave $Y$ which on hydrolysis followed by oxidation gave $Z . Z$ gives positive 2, 438. What are $A$ and $B$ in the following reaction sequence ?$$
\mathrm{CH}_3 \mathrm{COOH} \xrightarrow{A} X \xrightarrow[\39. Which of the following sequence of reagents convert propene to 1-chloropropane?40. What are $X$ and $Y$ respectively in the following reactions?
Mathematics
1. $f: R \rightarrow R$ is defined by $f(x+y)=f(x)+12 y, \forall x, y \in R$. If $f(1)=6$, then $\sum_{r=1}^n f(r)=$2. The domain of the real valued function $f(x)=\sqrt{2+x}+\sqrt{3-x}$ is3. If $2 \cdot 4^{2 n+1}+3^{3 n+1}$ is divisible by $k$ for all $n \in N$, then $k=$4. $\left|\begin{array}{ccc}a & b & c \\ a^2 & b^2 & c^2 \\ 1 & 1 & 1\end{array}\right|$ is not equal to5. Let $A, B, C, D$ and $E$ be $n \times n$ matrices each with non-zero determinant. If $A B C D E=I$, then $C^{-1}=$6. If $A=\left[a_{i j}\right], 1 \leq i, j \leq n$ with $n \geq 2$ and $a_{i j}=i+j$ is a matrix, then the rank of $A$ is7. If $z_1=10+6 i, z_2=4+6 i$ and $z$ is any complex number such that the argument of $\frac{\left(z-z_1\right)}{\left(z-z_8. If $\frac{3-2 i \sin \theta}{1+2 i \sin \theta}$ is purely imaginary number, then $\theta=$9. If $z=x+i y, x^2+y^2=1$ and $z_1=z e^{i \theta}$, then $\frac{z_1^{2 n}-1}{z_1^{2 n}+1}=$10. Let $[r]$ denote the largest integer not exceeditio $r$ and the roots of the equation $3 x^2+6 x+5+\alpha\left(x^2+2 x+211. For any real value of $x$. If $\frac{11 x^2+12 x+6}{x^2+4 x+2} \notin(a, b)$, then the value $x$ for which $\frac{11 x^212. If the roots of $\sqrt{\frac{1-y}{y}}+\sqrt{\frac{y}{1-y}}=\frac{5}{2}$ are $\alpha$ and $\beta(\beta>\alpha)$ and the e13. If the roots of the equation $x^3+a x^2+b x+c=0$ are in arithmetic progression. Then,14. A test containing 3 objective type of questions is conducted in a class. Each question has 4 options and only one option15. The number of numbers lying between 1000 and 10000 such that every number contains the digit 3 and 7 only once without r16. The number of ways in which 17 apples can be distributed among four guests such that each guest gets at least 3 apples i17. If the coefficients of $x^5$ and $x^6$ are equal in the expansion of $\left(a+\frac{x}{5}\right)^{65}$, then the coeffic18. If $|x|19. If $\frac{x^2+3}{x^4+2 x^2+9}=\frac{A x+B}{x^2+a x+b}+\frac{C x+D}{x^2+c x+b}$, then $a A+b B+c C+D=$20. If $\sec \theta+\tan \theta=\frac{1}{3}$, then the quadrant in which $2 \theta$ lies is21. If $540^{\circ} 22. If $(\alpha+\beta)$ is not a multiple of $\frac{\pi}{2}$ and $3 \sin (\alpha-\beta)=5 \cos (\alpha+\beta)$, then $\tan \23. The general solution of the equation $\sin ^2 \theta+3 \cos ^2 \theta=$ $5 \sin \theta$ is24. If $\cos ^{-1} 2 x+\cos ^{-1} 3 x=\frac{\pi}{3}$ and $4 x^2=\frac{a}{b}$, then $a+b$ is equal to25. If $\theta=\sec ^{-1}(\cosh u)$, then $u=$26. In $\triangle A B C$, if $4 r_1=5 r_2=6 r_3$, then $\sin ^2 \frac{A}{2}+\sin ^2 \frac{B}{2}+\sin ^2 \frac{C}{2}=$27. In $\triangle A B C, r_1 \cot \frac{A}{2}+r_2 \cot \frac{B}{2}+m_3 \cot \frac{C}{2}=$28. In $\triangle A B C, b c-r_2 r_3=$29. The angle between the diagonals of the parallelogram whose adjacent sides are $2 \hat{\mathbf{i}}+4 \hat{\mathbf{j}}-5 \30. If the points having the position vectors $-i+4 j-4 k_{\text {, }}$, $3 i+2 j-5 k,-3 i+8 j-5 k$ and $-3 i+2 j+\lambda k$31. If $|f|=10,|g|=14$ and $|f-g|=15$, then $|f+g|=$32. If $\mathbf{a}, \mathbf{b}, \mathbf{c}$ are three vectors such that $|\mathbf{a}|=|\mathbf{b}|=|\mathbf{c}|=\sqrt{3}$ an33. The angle between the line with the direction ratios $(2,5,1)$ and the plane $8 x+2 y-z=14$ is34. If the mean deviation about the mean is $m$ and variance is $\sigma^2$ for the following data, then $m+\sigma^2=$ .tg 35. If five-digit numbers are formed from the digits $0,1,2,3,4$ using every digit exactly only once. Then, the probability 36. Two natural numbers are chosen at random from 1 to 100 and are multiplied. If $A$ is the event that the product is an ev37. A box $P$ contains one white ball, three red ball and two black balls. Another box $Q$ contains two white balls, three r38. A person is known to speak false once out of 4 times, If that person picks a card at random from a pack of 52 cards and 39. For a binomial variate $X \sim B(n, p)$ the difference between the mean and variance is 1 and the difference between the40. The probability that a man failing to hit a target is $\frac{1}{3}$. If he fires 4 times, then the probability that he h41. $A(2,3), B(-1,1)$ are two points. If $P$ is a variable point such that $\angle A P B=90^{\circ}$, then locus of $P$ is42. If the origin is shifted to remove the first degree terms from the equation $2 x^2-3 y^2+4 x y+4 x+4 y-14=0$, then with 43. The circumcentre of the triangle formed by the lines $x+y+2=0,2 x+y+8=0$ and $x-y-2=0$ is44. If the line $2 x-3 y+5=0$ is the perpendicular bisector of the line segment joining $(1,-2)$ and $(\alpha, \beta)$, then45. If the area of the triangle formed by the straight lines $-15 x^2+4 x y+4 y^2=0$ and $x=\alpha$ is 200 sq unit, then $|\46. The equation for straight line passing through the point of intersection of the lines represented by $x^2+4 x y+3 y^2-4 47. The largest among the distances from the point $P(15,9)$ to the points on the circle $x^2+y^2-6 x-8 y-11=0$ is48. The circle $x^2+y^2-8 x-12 y+\alpha=0$ lies in the first quadrant without touching the coordinate axes. If $(6,6)$ is an49. The equation of the circle whose diameter is the common chord of the circles $x^2+y^2-6 x-7=0$ and $x^2+y^2-10 x+16=0$ i50. If the locus of the mid-point of the chords of the circle $x^2+y^2=25$, which subtend a right angle at the origin is giv51. The radical centre of the circles $x^2+y^2+2 x+3 y+1=0$, $x^2+y^2+x-y+3=0, x^2+y^2-3 x+2 y+5=0$52. Equation of a tagent line of the parabola $y^2=8 x$, which passes through the point $(1,3)$ is53. If the chord of the ellipse $\frac{x^2}{4}+\frac{y^2}{9}=1$ having $(1,1)$ as its middle point is $x+\alpha y=\beta$, th54. If a directrix of a hyperbola centred at the origin and passing through the point $(4,-2 \sqrt{3})$ is $\sqrt{5} x=4$ an55. If $l_1$ and $l_2$ are the lengths of the perpendiculars drawn from a point on the hyperbola $5 x^2-4 y^2-20=0$ to its a56. If $O(0,0,0), A(3,0,0)$ and $B(0,4,0)$ form a triangle, then the incentre of $\triangle O A B$ is57. The direction cosines of the line of intersection of the planes $x+2 y+z-4=0$ and $2 x-y+z-3=0$ are58. If $L_1$ and $L_2$ are two lines which pass through origin and having direction ratios $(3,1,-5)$ and $(2,3,-1)$ respect59. $\lim \limits_{x \rightarrow \frac{\pi}{4}} \frac{4 \sqrt{2}-(\cos x+\sin x)^5}{1-\sin 2 x}=$60. If $\lim \limits_{x \rightarrow 0} \frac{e^x-a-\log (1+x)}{\sin x}=0$, then $a=$61. The values of $a$ and $b$ for which the function$ f(x)=\left\{\begin{array}{cl}1+|\sin x|^{\frac{a}{\sin x \mid}} & \fra62. If $f(x)=\left\{\begin{array}{cc}2 x+3, & x \leq 1 \\ a x^2+b x, & x>1\end{array}\right.$
is differentiable, $\forall x63. If $y=t^2+t^3$ and $x=t-t^4$, then $\frac{d^2 y}{d x^2}$ at $t=1$ is64. In the interval $[0,3]$ The function $f(x)=|x-1|+|x-2|$ is65. $p_1$ and $p_2$ are the perpendicular distances from the origin to the tangent and normal drawn at any point on the curv66. The length of the subnormal at any point on the curve $y=\left(\frac{x}{2024}\right)^k$ is constant, if the value of $k$67. The acute angle between the curves $x^2+y^2=x+y$ and $x^2+y^2=2 y$ is68. A' value of $C$ according to the Lagrange's mean value theorem for $f(x)=(x-1)(x-2)(x-3)$ in $[0,4]$ is69. $\int \frac{d x}{x\left(x^4+1\right)}=$70. $\int \frac{d x}{\sqrt{\sin ^3 x \cos (x-a)}}=$71. $\int \frac{e^{2 x}}{\sqrt[4]{e^x+1}} d x=$72. $\int \frac{2-\sin x}{2 \cos x+3} d x=$73. $\int \sin ^{-1} \sqrt{\frac{x}{a+x}} d x=$74. $\int\limits_{\frac{-1}{24}}^{\frac{1}{24}} \sec x \log \left(\frac{1-x}{1+x}\right) d x=$75. If $[x]$ is the greatest integer function, then $\int_0^5[x] d x=$76. $\int_0^{\frac{\pi}{2}} \frac{1}{1+\sqrt{\tan x}} d x=$77. $\int_0^\pi \frac{x \sin x}{1+\cos ^2 x} d x=$78. Order and degree of the differential equation $\frac{d^3 y}{d x^3}=\left[1+\left(\frac{d y}{d x}\right)^2\right]^{\frac{79. Integrating factor of the differential equation $\sin x \frac{d y}{d x}-y \cos x=1$ is80. The general solution of the differential equation $\left(x \sin \frac{y}{x}\right) d y=\left(y \sin \frac{y}{x}-x\right)
Physics
1. Find the dimension formula of $\frac{a}{b}$ in the equation $F=a \sqrt{x}+b t^2$, where $F$ is force, $x$ is distance an2. The relation between time $t$ and displacement $x$ is $t=\alpha x^2+\beta x$, where $\alpha$ and $\beta$ are constants. 3. If two stones are projected at angle $\theta$ and $\left(90^{\circ}-\theta\right)$ respectively with horizontal with a s4. A particle revolving in a circular path travels the first half of the circumference in 4 s and the next half in 2 s . Wh5. A block of metal 2 kg is in rest on a smooth plane. It is striked by a jet releasing water of $1 \mathrm{~kg} \mathrm{~s6. An insect is crawling in a hemi-spherical bowl of radius $R$. If the coefficient of friction between the insect and bowl7. Two objects having masses $1: 4$ ratio are at rest. When both of them are subjected to same force separately, they achie8. An object of mas $m$ is projected with an initial velocity $u$ with angle of $\theta$ with the horizontal. The average p9. A small disc is on the top of a smooth hemisphere of radius $R$. The smallest horizontal velocity $v$ that should be imp10. A block $P$ is rotating in contact with the vertical wall of a rotor as shown in figures $A, B, C$. The relation between11. A horizontal board is performing simple harmonic oscillations horizontally with an amplitude 0.3 m and a period of 4 s .12. A test tube of mass 6 g and uniform area of cross-section $10 \mathrm{~cm}^2$ is floating in water vertically when 10 g 13. What is the height from the surface of earth, where acceleration due to gravity will be $1 / 4$ of that of the earth? $\14. Depth of a river is 100 m magnitude of compressibility of the water is $05 \times 10^{-9} \mathrm{~N}^{-1} \mathrm{~m}^215. Two mercury drops, each with same radius $r$ merged to form a bigger drop. $T$ is the surface tension of single drop, th16. The absorption coefficient value of a perfect black body is17. A certain volume of a gas at 300 K expands adiabatically until its volume is doubled. The resultant fall in temperature 18. The efficiency of a Carnot's engine is $25 \%$. When the temperature of sink is 300 K . The increase in the temperature 19. When 100 J of heat is supplied to a gas, the increase in the internal energy of the gas is 60 J . Then the gas is /can20. An ideal gas is kept in a cylinder of volume $3 \mathrm{~m}^3$ at a pressure of $3 \times 10^5 \mathrm{~Pa}$. The energy21. A pipe with 30 cm length is open at both ends. Which harmonic mode of the pipe resonates with the 1.65 kHz source? (Velo22. An object is placed at a distance of 18 cm in front of a mirror. If the image is formed at a distance of 4 cm on the oth23. If a microscope is placed in air, the minimum separation of two objects seen as distinct is $6 \mu \mathrm{~m}$. If the 24. Three point charges $+q,+2 q$ and $+4 q$ are placed along a straight line such that the charge $+2 q$ lies at equidistan25. Three parallel plate capacitors of capacitances $4 \mu \mathrm{~F}$, $6 \mu \mathrm{~F}$ and $12 \mu \mathrm{~F}$ are fi26. A particle of mass 2 g and charge $6 \mu \mathrm{C}$ is accelerated from rest through a potential difference of 60 V . T27. A straight wire of resistance $R$ is bent in the shape of $f_d$ square. A cell of emf 12 V is connected between two adja28. In the given circuit, if the potential at point $B$ is 24 V , the potential at point $A$ is 29. Two long straight parallel conductors $A$ and $B$ carrying currents 4.5 A and 8 A respectively, are separated by 25 cm i30. Two concentric thin circular rings of radii 50 cm and 40 cm , each carry a current of 3.5 A in opposite directions. If t31. At a place where the magnitude of the earth's magnetic field is $4 \times 10^{-5} \mathrm{~T}$, a short bar magnet is pl32. The ratio of the number of turns per unit length of two solenoids $A$ and $B$ are 1:3 and the lengths of $A$ and $B$ are33. An inductor and a resistor are connected in series to an AC source of voltage $144 \sin \left(100 \pi t+\frac{\pi}{2}\ri34. Inner shell electrons in atoms moving from one energy level to another lower energy level produce35. If the kinetic energy of a particle in motion is decreased by $36 \%$, the increase in de-Broglie wavelength of the part36. The speed of the electron in a hydrogen atom in the $n=3$ level is(Planck's constant $=6.6 \times 10^{-34} \mathrm{Js}$ 37. One mole of radium has an activity of $\frac{1}{3.7}$ kilo curie. Its decay constant is(Avagadro number $=6 \times 10^{238. The voltage gain and current gain of a transistor amplifier in common emitter configuration are respectively 150 and 50 39. If the energy gap of a substance is 5.4 eV , then the substance is40. In amplitude modulation, the amplitude of the carrier wave is 10 V and the amplitude of one of the side bands is 2 V . T
1
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
Inner shell electrons in atoms moving from one energy level to another lower energy level produce
A
gamma rays
B
microwaves
C
radio waves
D
ultraviolet rays
2
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
If the kinetic energy of a particle in motion is decreased by $36 \%$, the increase in de-Broglie wavelength of the particle is
A
$18 \%$
B
$25 \%$
C
$20 \%$
D
$32 \%$
3
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
The speed of the electron in a hydrogen atom in the $n=3$ level is
(Planck's constant $=6.6 \times 10^{-34} \mathrm{Js}$ )
A
$62 \times 10^5 \mathrm{~ms}^{-1}$
B
$3.7 \times 10^5 \mathrm{~ms}^{-1}$
C
$7.3 \times 10^5 \mathrm{~ms}^{-1}$
D
$1.6 \times 10^5 \mathrm{~ms}^{-1}$
4
AP EAPCET 2024 - 20th May Evening Shift
MCQ (Single Correct Answer)
+1
-0
One mole of radium has an activity of $\frac{1}{3.7}$ kilo curie. Its decay constant is
(Avagadro number $=6 \times 10^{23} \mathrm{~mol}^{-1}$ )
A
$\frac{1}{6} \times 10^{-10} \mathrm{~s}^{-1}$
B
$10^{-10} \mathrm{~s}^{-1}$
C
$10^{-11} \mathrm{~s}^{-1}$
D
$10^{-8} \mathrm{~s}^{-1}$
Paper analysis
Total Questions
Chemistry
40
Mathematics
80
Physics
40
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