TG EAPCET 2024 (Online) 10th May Morning Shift | TS EAMCET Year Wise Previous Years Questions

Chemistry

1. The wavenumber of first spectral line of Lyman series of $\mathrm{He}^{+}$ion is $x \mathrm{~m}^{-1}$. What is the wave 2. The uncertainty in determination of position of a small ball of mass 10 g is $10^{-33} \mathrm{~m}$. With what $\%$ of a 3. In which of the following ionic pairs, second ion is smaller in size than the first ion? 4. The set of elements which obey the general electronic configuration $(n-1) d^{1-10} n s^2$ is? 5. Identify the set of molecules which are not in the correct order of their dipole moments 6. Match the following. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;bor 7. At 400 K , an ideal gas is enclosed in a $0.5 \mathrm{~m}^3$ vessel at pressure of 203 kPa . What is the change in tempe 8. Match the following. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid; 9. The standard enthalpy of combustion of C (graphite). $\mathrm{H}_2(g)$ and $\mathrm{CH}_3 \mathrm{OH}(l)$ respectively a 10. Observe the following species. (i) $\mathrm{NH}_3$ (ii) $\mathrm{AlCl}_3$ (iii) $\mathrm{SnCl}_4$ (iv) $\mathrm{CO}_2$ ( 11. The normality of 20 volume solution of hydrogen peroxide is 12. Consider the following reactions. $$ \begin{array}{r} \mathrm{Cs}+\mathrm{O}_2 \text { (excess) } \rightarrow X \\ \math 13. Choose the correct statement from the following. I. In vapour phase $\mathrm{BeCl}_2$ exists as chlorobridge dimer. II. 14. Observe the following reactions (not balanced) $$ \begin{aligned} & \mathrm{BF}_3+\mathrm{LiAlH}_4 \xrightarrow{\left(\m 15. $\mathbf{Assertion (A)}$ Silicones are used for water proofing of fabrics. $\mathbf{Reason (R)}$ The repeating unit in s 16. Acrolein $(X)$ is one of the chemicals formed when $\mathrm{O}_3$ and $\mathrm{NO}_2$ react with unburnt hydrocarbons pr 17. An organic compound containing phosphorous on oxidation with $\mathrm{Na}_2 \mathrm{O}_2$ gives a compound ' $X$ '. This 18. The correct IUPAC name of the structure given below is 19. The major product ' $Y^{\prime}$ in the given sequence of reactions is $$ \mathrm{C}_3 \mathrm{H}_7 \mathrm{OH} \xrighta 20. Compound ' $A$ ' on heating with sodalime gives propane. Identify the compound ' $A$ '. 21. An element with molar mass $2.7 \times 10^{-2} \mathrm{~kg} \mathrm{~mol}^{-1}$ forms a cubic unit cell with edge length 22. At $300 \mathrm{~K}, 0.06 \mathrm{~kg}$ of an organic solute is dissolved in 1 kg water. The vapour pressure of solution 23. The molar conductivity of 0.02 M solution of an electrolyte is $124 \times 10^{-4} \mathrm{~S} \mathrm{~m}^2 \mathrm{~mo 24. The decomposition of benzene diazonium chloride is a first order reaction. The time taken for its decomposition to $\fra 25. 10 mL of 0.5 M NaCl is required to coagulate 1 L of $\mathrm{Sb}_2 \mathrm{~S}_3 \mathrm{sol}$ in 2 hours time. The floc 26. Kaolinite is a silicate mineral of metal ' $X$ ' and calamine is a carbonate mineral of metal ' $Y^{\prime}, X$ and $Y$ 27. $\mathrm{NH}_2 \mathrm{CONH}_2+2 \mathrm{H}_2 \mathrm{O} \rightarrow[\mathrm{X}] \rightleftharpoons 2 \mathrm{NH}_3+\mat 28. Among the hydrides $\mathrm{NH}_3, \mathrm{PH}_3$ and $\mathrm{BiH}_3$, the hydride with highest boiling point is $X$ an 29. Xenon (VI) fluoride on complete hydrolysis gives an oxide of xenon ' $O$ '. The total number of $\sigma$ and $\pi$-bonds 30. In which of the following ions the spin only magnetic moment is lowest? 31. Identify the complex ion with electronic configuration $t_{2 g}^3 e_g^2$. 32. Identify the structure of the polymer 'P' formed in the given reaction Caprolactam $\xrightarrow[\mathrm{H}_2 \mathrm{O} 33. Which of the following vitamin is also called pyridoxine? 34. The number of -OH groups present in the structures of bithionol, terpineol and chloroxylenol is respectively 35. Conversion of $X$ to $Y$ in the above reaction is 36. $$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH} \xrightarrow[443 \mathrm{~K}]{\text { Conc. } \mathrm{H}_2 \mathrm{SO}_4} X \ 37. Arrange the following in the increasing order of pKa values 38. What is ' $C$ ' in the following reaction sequence? 39. Identify the products $R$ and $S$ in the reaction sequence given $\left(\mathrm{CH}_3\right)_3 \mathrm{COH} \xrightarro 40. In the given reaction sequence sequence, $Z$ is

Physics

1. Which of the following statement regarding nature of physical laws is not correct? 2. The internal and external diameters of hollow cylinder measured with vernier callipers are $(5.73 \pm 0.01) \mathrm{cm}$ 3. A body moving with uniform acceleration, travels a distance of 25 m in the fourth second and 37 m in the sixth second. T 4. A body is projected from the ground at an angle of $\tan ^{-1}(\sqrt{7})$ with the horizontal. At half of the maximum he 5. An aircraft executes a horizontal loop of radius 9 km at a constant speed of $540 \mathrm{kmh}^{-1}$. The wings of the a 6. A body thrown vertically upwards from the ground reaches a maximum height $h$. The ratio of the kinetic and potential en 7. A ball of mass 1.2 kg moving with a velocity of $12 \mathrm{~ms}^{-1}$ makes one-dimensional collision with anothe stati 8. An alphabet $T$ made of two similar thin uniform metal plates of each length $L$ and width $a$ is placed on a horizontal 9. A solid sphere and a disc of same mass $M$ and radius $R$ - are kept such that their curved surfaces are in contact and 10. If a body dropped freely from a height of 20 m reaches the surface of a planet with a velocity of $31.4 \mathrm{~ms}^{-1 11. Two stars of masses $M$ and $2 M$ that are at a distance $d$ apart, are revolving one around another. The angular veloci 12. A block of mass 2 kg is tied to one end of a 2 m long metal wire of $1.0 \mathrm{~mm}^2$ area of cross-section and rotat 13. A big liquid drop splits into $n$ similar small drops under isothermal conditions, then in the process 14. A wooden cube of side 10 cm floats at the interface between water and oil with its lower surface 3 cm below the interfac 15. 37 g of ice at $0^{\circ} \mathrm{C}$ temperature is mixed with 74 g of water at $70^{\circ} \mathrm{C}$ temperature. Th 16. The thickness of a uniform rectangular metal plate is 5 mm and the area of each surface is $5 \mathrm{~cm}^5$. In steady 17. The ratio of the specific heat capacities of a gas is 1.5 . When the gas undergoes adiabatic process, its volume is doub 18. A vessel contains hydrogen and nitrogen gases in the ratio $2: 3$ by mass. If the temperature of the mixture of the gase 19. The difference between the fundamental frequencies of an open pipe and a closed pipe of same length is 100 Hz . The diff 20. The displacement equations of sound waves produced by two sources are given by $y_1=5 \sin 400 \pi t$ and $y_2=8 \sin 40 21. When an object of height 12 cm is placed at a distance from a convex lens, an image of height 18 cm is formed on a scree 22. A thin plano-convex lens of focal length 73.5 cm has a circular aperture of diameter 8.4 cm . If the refractive index of 23. In Young's double slit experiment, intensity of light at a point on the screen, where the path difference becomes $\lamb 24. Two point charges $-10 \mu \mathrm{C}$ and $-5 \mu \mathrm{C}$ are situated on $X$-axis at $x=0$ and $x=\sqrt{2} \mathrm 25. A $10 \mu \mathrm{~F}$ capacitor is charged by a 100 V battery. It is disconnected from the battery and is connected to 26. A conductor of length 1.5 m and area of cross-section $3 \times 10^{-5} \mathrm{~m}^2$ has electrical resistance of $15 27. The relation between the current $i$ (in ampere) in a conductor and the time $t$ (in second) is $i=12 t+9 t^2$. The char 28. A long straight rod of diameter 4 mm carries a steady current $i$. The current is uniformly distributed across its cross 29. A straight wire of length 20 cm carrying a current of $\frac{3 .}{\pi^2} \mathrm{~A}$ is bent in the form of a circle. T 30. A circular coil carrying a current of 2.5 A is free to rotate about an axis in its plane perpendicular to an external fi 31. A circular coil of area $200 \mathrm{~cm}^2$ and 50 turns is rotating about its vertical diameter with an angular speed 32. An inductor and a resistor are connected in series to an AC source of 10 V . If the potential difference across the indu 33. If the peak value of the magnetic field of an electromagnetic wave is $30 \times 10^{-9} \mathrm{~T}$, then the peak val 34. The de-Broglie wavelength of a proton is twice the de-Broglie wavelength of an alpha particle. The ratio of the kinetic 35. The ratio of the centripetal accelerations of the electron in two successive orbits of hydrogen is $81: 16$. Due to ${ } 36. The operation of a nuclear reactor is said to be critical when the value of neutron multiplication factor $K i s$ 37. An $\alpha$-particle of energy $E$ is liberated during the decay of a nucleus of mass number 236. The total energy relea 38. The voltage gain of a transistor in common emitter configuration is 160 . The resistances in base and collector sides of 39. Normally a capacitor is connected across the output terminals of a rectifier to 40. The process of the loss of strength of a signal while propagating through a medium is

Chemistry

Physics

TG EAPCET 2024 (Online) 10th May Morning Shift

MCQ (Single Correct Answer)

-0

The wavenumber of first spectral line of Lyman series of $\mathrm{He}^{+}$ion is $x \mathrm{~m}^{-1}$. What is the wave number ( $\mathrm{in}^{-1}$ ) of second spectral line of Balmer series of $\mathrm{Li}^{2+}$ ion?

$\frac{9 x}{16}$

$\frac{16 x}{9}$

$\frac{8 x}{27}$

$\frac{27 x}{8}$

TG EAPCET 2024 (Online) 10th May Morning Shift

MCQ (Single Correct Answer)

-0

The uncertainty in determination of position of a small ball of mass 10 g is $10^{-33} \mathrm{~m}$. With what $\%$ of accuracy its speed can be measured, if it has a speed of 52.5 $\mathrm{ms}^{-1} ?\left(h=6.6 \times 10^{-34} \mathrm{Js}\right)$

$1.0 \%$

$20 \%$

$10 \%$

$2.0 \%$

TG EAPCET 2024 (Online) 10th May Morning Shift

MCQ (Single Correct Answer)

-0

In which of the following ionic pairs, second ion is smaller in size than the first ion?

$\mathrm{Al}^{3+}, \mathrm{Mg}^{2+}$

$\mathrm{F}^{-}, \mathrm{Na}^{+}$

$\mathrm{O}^{2-}, \mathrm{N}^{3-}$

$\mathrm{Mg}^{2+}, \mathrm{Na}^{+}$