AP EAPCET 2024 - 19th May Evening Shift | AP EAPCET Year Wise Previous Years Questions

Chemistry

1. In the ground state of hydrogen atom, electron absorbs 1.5 times energy than the minimum energy $\left(2.18 \times 10^{- 2. A golf ball of mass $m \mathrm{~g}$ has a speed of $50 \mathrm{~ms}^{-1}$. If the speed can be measured within accuracy 3. If the first ionisation enthalpy of $\mathrm{Li}, \mathrm{Be}$ and C respectively are $520,899,1086 \mathrm{~kJ} \mathrm 4. In which of the following sets of molecules, the centil atoms of molecules have same hybridisation? 5. The correct increasing order of number of lone pair of electrons on the central atom of $\mathrm{SnCl}_2, \mathrm{XeF}_2 6. Identify the correct statements from the following I. For an ideal gas, the compressibility factor is 1.0 II. The kineti 7. The following graph is obtained for a gas at different temperatures $\left(T_1, T_2, T_3\right)$. What is the correct or 8. Observe the following stoichiometric equation $$ \mathrm{P}_4+3 \mathrm{OH}^{-}+3 \mathrm{H}_2 \mathrm{O} \rightarrow \m 9. Given below are two statements : Statement I For isothermal irreversible change of an ideal gas, $q=-w=p_{\text {ext }}\ 10. A thermodynamic process $(B \rightarrow E)$ was completed as shown below. The work done is equal to area under the limit 11. $K_{\mathrm{c}}$ for the following reaction is 99.0 $$ A_2(g) \stackrel{T(K)}{\rightleftharpoons} B_2(g) $$ In a one lit 12. What is the conjugate base of chloric acid? 13. The correct statements among the following are (i) saline hydrides produce $\mathrm{H}_2$ gas when reacted with water (i 14. The correct order of decomposition temperature of $\mathrm{MgCO}_3(X), \mathrm{BaCO}_3(Y), \mathrm{CaCO}_3(Z)$ is 15. Identify the correct statements i. Oxidation of $\mathrm{NaBH}_4$ with $\mathrm{I}_2$ gives $\mathrm{B}_2 \mathrm{H}_6$ 16. Which one of the following is used as piezoelectric material? 17. Two statements are given below : I. In dry cleaning, the solvent $\mathrm{Cl}_2 \mathrm{C}=\mathrm{CCl}_2$ was earlier u 18. Tropolone is an example for which of the following class of compounds? 19. What are $X$ and $Y$ respectively in the following reaction sequence? $$ \text { Isopentane } \xrightarrow{\mathrm{KMnO} 20. Some substances are given below $$ \begin{aligned} & \mathrm{Ag}, \mathrm{CO}_2(s), \mathrm{SiO}_2, \mathrm{ZnS} \\ & \m 21. The $\Delta T_b$ value for 0.01 m KCl solution is 0.01 K . What is the van't Hoff factor? $$ \left(K_b \text { for wate 22. 200 g of $20 \% \frac{\mathrm{w}}{\mathrm{w}}$ urea solution is mixed with 400 g of $40 \% \frac{w}{w}$ urea solution. W 23. 2.644 g of metal $(M)$ was deposited when 8040 coulombs of electricity was passed through molten $M \mathrm{~F}_2$ salt. 24. The first order reaction, $A(g) \rightarrow B(g)+2 C(g)$ occurs at $25^{\circ} \mathrm{C}$. After 24 minutes the ratio o 25. Which of the following has maximum coagulating power in the coagulation of positively charged sol? 26. Identify the autocatalytic reaction from the following 27. The anode and cathode used in electrolytic refining of copper respectively are 28. The disproportionation products of ortho phosphorus acid are 29. In neutral medium potassium permanganate oxidises $I^{-}$to $X$.. Identify the $X$. 30. The spin only magnetic moments of the complexes $\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$ and $\left[\mathrm{Co}\le 31. PHBV is a biodegradable polymer of two monomers $X$ and $Y . X$ and $Y$ respectively are. 32. The carbohydrate which does not react with ammonical $\mathrm{AgNO}_3$ solution is 33. Identify the amino acid which has 34. The structure given below represents 35. The major product $(X)$ formed in the given reaction is an example of 36. Identify the Swarts reaction from the following 37. An alcohol $X\left(\mathrm{C}_4 \mathrm{H}_{10} \mathrm{O}\right)$ reacts with conc. HCl at room temperature to give $Y\ 38. $$ \text { What is } Y \text { in the following reaction sequence? } $$ 39. A carbonyl compound $X\left(\mathrm{C}_3 \mathrm{H}_6 \mathrm{O}\right)$ on oxidation gave a carboxylic acid $Y\left(\ma 40. The correct sequence of reactions involved in the following conversion is

Physics

1. The percentage error in the measurement of mass and velocity are $3 \%$ and $4 \%$, respectively. The percentage error i 2. A car travelling at 80 kmph can be stopped at a distance of 60 m by applying brakes. If the same car travels at 160 kmph 3. A 2 kg ball thrown vertically upward and another 3 kg ball projected with certain angle $\left(\theta \neq 90^{\circ}\ri 4. In a sport event, a disc is thrown such that it reaches its maximum range of 80 m , the distance travelled in first 3 s 5. A block of mass 18.5 kg kept on a smooth horizontal surface is pulled by a rope of 3 m length by a horizontal force of 4 6. A block of mass 1.5 kg kept on a rough horizontal surface is given a horizontal velocity of $10 \mathrm{~ms}^{-1}$. If t 7. A force of $\left(6 x^2-4 x+3\right) \mathrm{N}$ acts on a body of mass 0.75 kg and displaces it from $x=2 \mathrm{~m}$ 8. A ball falls freely from rest on to a hard horizontal floor and repeatedly bounces. If the velocity of the ball just bef 9. A solid cylinder rolls down an inclined plane without slipping. If the translation kinetic energy of the cylinder is 140 10. Two blocks of masses $m$ and $2 m$ are connected by a massless string which passes over a fixed frictionless pulley. If 11. The displacement of a particle executing simple harmonic motion is $y=A \sin (2 t+\phi) \mathrm{m}$, where $t$ is time i 12. The displacement of a damped oscillator is $x(t)=\exp (-0.2 t) \cos (3.2 t+\phi)$, where $t$ is time in second The time 13. Maximum height reached by a rocket fired with a speed equal to $50 \%$ of the escape speed from the surface of the earth 14. If the work done in stretching a wire by 1 min is 2 J . The work necessary for stretching another wire of satrs material 15. If $S_1, S_2$ and $S_3$ are the tensions at liquid-air, solid-air and solid-liquid interfaces respectively and $\theta$ 16. If ambient temperature is 300 K , the rate of cooling at 600 K is $H$. In the same surroundings, the rate of cooling at 17. An ideal heat engine operates in Carnot cycle between $127^{\circ} \mathrm{C}$ and $27^{\circ} \mathrm{C}$. It absorbs $ 18. One mole of a gas having $\gamma=\frac{7}{5}$ is mixed with one mole of a gas having $\gamma=\frac{4}{3}$. The value of 19. A Carnot heat engine has an efficiency of $10 \%$. If the same engine is worked backward to obtain a refrigerator, then 20. The rms velocity of a gas molecules oí mass $m$ at a given temperature is proportional to 21. The speed of a wave on a string is $150 \mathrm{~ms}^{-1}$ when the tension is 120 N . The percentage increase in the te 22. The minimum deviation produced by a hollow prism filled with a certain liquid is found to be $30^{\circ}$. The light ray 23. In Young's double slit experiment, the intensity at a point where the path difference is $\frac{\lambda}{6}$ ( $\lambda$ 24. Two particles of equal mass $m$ and equal charge $q$ are separated by a distance of 16 cm . They do not experience any f 25. In the following diagram, the work done in moving a point charge from point $P$ to points $A, B$ and $C$ are $W_A, W_B$ 26. Four condensers each of capacitance $8 \mu \mathrm{~F}$ are joined as shown in the figure. The equivalent capacitance be 27. A steady current is flowing in a metallic conductor of non-uniform cross-section. The physical quantity which remains co 28. The resistance between points $A$ and $C$ in the given network is 29. A wire shaped in a regular hexagon of side 2 cm carries a current of 4 A . The magnetic field at the centre of hexagon i 30. A tightly wound coil of 200 turns and of radius 20 cm carrying current 5 A . Magnetic field at the centre of the coil is 31. The domain in ferromagnetic material is in the form of a cube of side $2 \mu \mathrm{~m}$. Number of atoms in that domai 32. Magnetic field at a distance of $r$ from $Z$-axis is $B=B_0$ $r t \hat{\mathbf{k}}$ present in the region. $B_0$ is cons 33. A series $L-C-R$ circuit is shown in the figure. Where the inductance of 10 H , capacitance $40 \mu \mathrm{~F}$ and res 34. An electromagnetic wave travel in a medium with a speed of $2 \times 10^8 \mathrm{~ms}^{-1}$. The relative permeability 35. The longest wavelength of light that can initiate photo electric effect in the metal of work function 9 eV is 36. A hydrogen atom falls from $n$th higher energy orbit to first energy orbit $(n=1)$. The energy released is equal to 12.7 37. The decrease in each day in the uranium mass of the material in a uranium reactor operating at a power of 12 MW is (Ener 38. When a signal is applied to the input of a transistor, it was found that output signal is phase-shifted by $180^{\circ}$ 39. The voltage $V_0$ in the network shown is 40. A message signal of 3 kHz is used to modulate a carric signal frequency 1 MHz , using amplitude modulation. The upper si

Chemistry

Physics

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AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

Which one of the following is used as piezoelectric material?

Tridymite

Quartz

Zelolite

Mica

AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

Two statements are given below :

I. In dry cleaning, the solvent $\mathrm{Cl}_2 \mathrm{C}=\mathrm{CCl}_2$ was earlier used and now it is replaced by liquefied $\mathrm{CO}_2$

II. In bleaching of paper, $\mathrm{H}_2 \mathrm{O}_2$ was used earlier and now it is replaced by chlorine gas. Correct anwer is

Statement I, Statement II both are correct.

Statement I, Statement II both are incorrect.

Statement I is correct but Statement II is incorrect.

Statement I is incorrect but Statement II is correct.

AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

Tropolone is an example for which of the following class of compounds?

Benzenoid aromatic compound.

Non-benzenoid aromatic compound.

Alicylic compound.

Heterocyclic aromatic compound.

AP EAPCET 2024 - 19th May Evening Shift

MCQ (Single Correct Answer)

-0

What are $X$ and $Y$ respectively in the following reaction sequence?

$$ \text { Isopentane } \xrightarrow{\mathrm{KMnO}_4} X \xrightarrow{\text { Dehydration }} Y \text { Major } $$

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