Solved papers for EAMCET Medical EAMCET Medical Solved Paper-2003
done EAMCET Medical Solved Paper-2003 Total Questions - 160
question_answer1) A body of mass m is tied to one end of a spring and whirled round in a horizontal plane with a constant angular velocity. The elongation in the spring is 1cm. If the angular velocity is doubled, the elongation in the string is 5 cm. The original length of the spring is:
question_answer2) The time period of a particle in simple harmonic motion is 8 second. At t = 0 it is at the mean position. The ratio of the distances travelled by it in the first and second seconds is:
question_answer4) Water rises to a height of 10 cm in a capillary tube and mercury falls to a depth of 3.5 cm in the same capillary tube. If the density of mercury is 13.6 g/cc and its angle of contact is \[135{}^\circ \] and density of water is 1 g/cc and its angle of contact is \[0{}^\circ \], then the ratio of surface tensions of the two liquids is: \[\left( \text{cos }135{}^\circ =0.7 \right)\]
question_answer5) A square plate of 0.1 m side moves parallel to a second plate with a velocity of 0.1 m/s, both plates being immersed in water. If the viscous force is 0.002 N and the coefficient of viscosity is 0.01 Poise, distance between the plates in metre is:
question_answer6) A bird of mass 1.23 kg is able to hover by imparting a downward velocity of 10 m/s uniformly to air of density \[\rho kg/{{m}^{3}}\]over an effective area \[0.1{{m}^{2}}\]If the acceleration due to gravity is \[10.m/{{s}^{2}},\]then the magnitude of \[\rho \]is in \[kg/{{m}^{3}}\]:
question_answer7) A thin brass sheet at \[10{}^\circ C\] and a thin steel sheet at \[20{}^\circ C\] have the same surface area. The common temperature at which both would have the same area is: (Coefficients of linear expansion for brass and steel are respectively \[19\times {{10}^{-6}}/{}^\circ C\]and\[11\times {{10}^{-6}}/\text{ }{}^\circ C\])
question_answer8) If the pressure of an ideal gas contained in a closed vessel is increased by 0.5%, the increase in temperature is \[2{}^\circ C\]. The initial temperature of the gas is:
question_answer9) During an adiabatic process, the pressure of a gas is proportional to the cube of its absolute temperature. The value of \[{{C}_{p}}/{{C}_{V}}\]for the gas is:
question_answer10) A particular star (assuming it as a black body) has a surface temperature of about \[5\times {{10}^{4}}K\]The wavelength in nanometre at which its radiation becomes maximum is: (b = 0.0029 mK)
question_answer11) Two uniform wires are vibrating simultaneously in their fundamental mode; The tension, lengths, diameters and the densities of the two wires are in the ratio, 8 : 1, 36 : 35,4 : 1 and 1 : 2 respectively. If the note of the higher pitch has a frequency 360 Hz, the number of beats produced per second is:
question_answer12) A radar sends a radio signal of frequency \[9\times {{10}^{9}}Hz,\] towards an aircraft approaching the radar. If the reflected wave shows a frequency shift of \[3\times {{10}^{8}}Hz.\] the speed with which the aircraft is approaching the radar, in m/s: (Velocity of the radio signal is\[3\times {{10}^{8}}m{{s}^{-1}}\])
question_answer13) In foucaults rotating mirror experiment to determine the velocity of light in air, the distance of the rotating mirror from the concave mirror is 6000 m. The reflected ray is displaced through an angle of \[48\pi \times {{10}^{-3}}\]rad. If the velocity of light in air is \[3\times {{10}^{8}}ms,\] the number of rotations made by the rotating mirror in 1 min, are:
question_answer14) One of the refracting surface of a prism, of refractive index \[\sqrt{2}\] is silvered. The angle of the prism is equal to the critical angle of a medium of refractive index 2. A ray of light incident on the unsilvered surface passes through the prism and retraces its path after reflection at the silvered face. Then, the angle of incidence on the unsilvered surface is:
question_answer16) The period of oscillation of a magnet at a place is 4 second. When it is remagnetised. So that the pole strength becomes 4 times the initial value, the period of oscillation in second is:
question_answer17) Two short bar magnets of magnetic moments M each are arranged at the opposite corners of a square of side d, such that their centres coincide with the corners and their axes are parallel. If the like poles are in the same direction, the magnetic induction at any of the other corners of the square is:
question_answer18) Between the plates of parallel plate capacitor of capacity C, two parallel plate of the same material and area same as the plate of the original capacitor, are placed. If the thickness of these plates is equal to 1/5th of the distance between the plates of the original capacitor, then the capacity of the new capacitor is:
question_answer19) A charged sphere of diameter 4 cm has a charge density of 10-4 coulomb/cm2. The work done in joule, when a charge of 40 nano-coulomb is moved from infinity to a point, which is at a distance of 2 cm from the surface of the sphere is:
question_answer20) In a potentiometer experiment, the balancing length with a cell is 560 cm. When an external resistance of 10 \[\Omega \] is connected in parallel to the cell, the balancing length changes by 60 cm. The internal resistance of the cell in \[\Omega \] is:
question_answer22) A stationary body of mass 3 kg explodes into three equal pieces. Two of the pieces fly off at right angles to each other, one with a velocity 2\[\widehat{i}\] m/s and the other with a velocity 3\[\widehat{j}\] m/s. If the explosion takes place in \[{{10}^{-5}}s,\] the average force acting on the third piece in newton is......
question_answer23) Consider the following statements A and B. Identify the correct choice in the given answers:
A: In a one-dimensional perfectly elastic collision between two moving bodies of equal masses the bodies merely exchange their velocities after collision.
B: If a lighter body at rest suffers perfectly elastic collision with a very heavy body moving with a certain velocity after collision both travel with same velocity.
question_answer24) Two stones are projected with the same speed but making different angles with the horizontal. Their horizontal ranges are equal. The angle of projection of one is \[\pi /3\] and the maximum height reached by it is 102 m. Then the maximum height reached by the other in m is:
question_answer25) A body of mass m has a kinetic energy equal to one-fourth kinetic energy of another body of mass \[\frac{m}{4}\]. If the speed of the heavier body is increased by 4 m/s. Its new kinetic energy equals to the original kinetic energy of the lighter body. The original speed of the heavier body in m/s is:
question_answer26) One end of a thin uniform rod of length L and mass M1 is rivetted to the centre of a uniform circular disc of radius r and mass M2, so that both are coplanar. The centre of mass of the combination from the centre of the disc is: (Assume that the point of attachment is at the origin)
question_answer27) A horizontal force, just sufficient to move a body of mass 4 kg lying on a rough horizontal surface, is applied on it. The coefficients of static and kinetic friction between the body and the surface are 0.8 and 0.6 respectively. If the force continues to act even after the block has started moving, the acceleration of the block in \[\text{(}g=10\text{ }m/{{s}^{2}}\text{) }m/{{s}^{2}}:\]
question_answer28) Two circular loops A and B or radii rA and rB respectively are made from a uniform wire. The ratio of their moments of inertia about axes passing through their centres and perpendicular to their planes is \[\frac{{{I}_{B}}}{{{I}_{A}}}=8,\] then \[\left( \frac{{{r}_{B}}}{{{r}_{A}}} \right)\] equal to:
question_answer29) A particle performs uniform circular motion with an angular momentum L. If the angular frequency of. the particle is doubled, and kinetic energy is halved, its angular momentum becomes:
question_answer30) The radius in kilometre, to which the present -ad ins of the earth (R =6400 km) is to be compressed, so that the escape velocity is increased to ten times, is:
question_answer31) Two cells with a same emf E and different internal resitances \[{{r}_{1}}\text{ }and\text{ }{{r}_{2}}\] are connected in series to an external resistance R. The value of R, so that the potential difference across the first cell be, zero is:
question_answer32) The thermo emf produced in a thermocouple is \[3\text{ }\mu \,V/{}^\circ C\]. If the temperature of the cold junction is \[20{}^\circ C\] and the thermo emf is 0.3 mV, the temperature of the hot junction is:
question_answer33) The scale of a galvanometer of resistance 100\[\Omega \] contains 25 divisions. It gives a deflection of one division on passing a current of \[4\times {{10}^{-4}}.\] The resistance in ohm to be added to it, so that it may become a voltmeter of range 2.5 volt is:
question_answer34) Two coils have self-inductance\[{{L}_{1}}=4\,mH\]and \[{{L}_{2}}=I\,mH\]respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If \[{{I}_{1}}\] and \[{{I}_{2}}\] are the current in the two coils, at that instant of time respectively, then the value of \[({{I}_{1}}/{{I}_{2}})\] is:
question_answer35) The electric current in a circular coil of two turns produced a magnetic induction of 0.2T at its centre. The coil is unwound and is rewound into a circular coil of four turns. The magnetic induction at the centre of the coil now is, in tesla, (if same current flows in the coil):
question_answer36) Two ions having equal masses, but charges in the ratio 1:2 are projected perpendicular to a uniform magnetic field with speeds in the ratio 2:3. The ratio of the radii of the circular paths along which the two ions move is:
question_answer37) An X- ray tube is operated at a constant potential difference and it is required to get X-ray of wavelength, not less than 0.2 nanometre. Then, the potential difference in kV is: \[(h=6.63\times {{10}^{-34}}J-s,\]\[e=1.6\times {{10}^{-19}}C,\]\[c=3\times {{10}^{8}}m/s)\]
question_answer38) The de-Broglie wavelength of a particle moving with a velocity \[2.25\times {{10}^{8}}m/s\]is equal to the wavelength of a photon. The ratio of kinetic energy of the particle to the energy of the photon is: (Velocity of light is\[3\times {{10}^{8}}m/s\])
question_answer43) The atomic number and mass number (M) of the nucleide formed when three alpha \[(\alpha )\] and two beta \[(\beta )\] particles are emitted from \[{{\,}_{\text{92}}}{{\text{U}}^{\text{238}}}\text{.}\]
question_answer48) In acidic medium, dichromate ion oxidises ferrous ion to ferric ion. If the gram molecular weight of potassium dichromate is 294 g, its gram equivalent weight is ...... g.
question_answer50) Which one of the following compounds forms a red coloured solution on treatment with neutral \[\text{FeC}{{\text{l}}_{\text{3}}}\]solution ?
question_answer51) The kinetic energy of 4 moles of nitrogen gas at \[\text{127}{{\,}^{\text{o}}}\text{C}\] is ...... cals. \[\text{(R= 2 cal mo}{{\text{l}}^{-1}}{{\text{K}}^{-1}}\text{)}\]
question_answer52) The total number of electrons present in all the s orbitals, all the p orbitals and all the d orbitals of cesium ion are respectively :
question_answer53) In the series of reactions: \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow[0.5\,{{\,}^{o}}C]{NaN{{O}_{2}}/HCl}X\xrightarrow[C{{H}_{2}}]{HN{{O}_{2}}}Y+{{N}_{2}}+HCl\]X and Y are, respectively:
question_answer54) In a balanced equation: \[{{H}_{2}}S{{O}_{4}}+xHI\xrightarrow{{}}{{H}_{2}}s+y{{l}_{2}}+z{{H}_{2}}O\]the values of \[x,\text{ }y,\text{ }z\] are
question_answer57) In the reaction\[PC{{l}_{5}}(g)\rightleftharpoons PC{{l}_{3}}(g)+C{{l}_{2}}(g).\]the equilibrium concentrations of \[\text{PC}{{\text{l}}_{\text{5}}}\]and \[\text{PC}{{\text{l}}_{\text{3}}}\]are 0.4 and 0.2 mol/L respectively. If the value of \[{{\text{K}}_{c}}\]is 0.5, what is the concentration of \[\text{C}{{\text{l}}_{\text{2}}}\]in mol/L?
question_answer59) Ethylene is converted to X on passing through a mixture of an acidified aqueous solution of palladium chloride and cupric chloride. Which of the following reagents readily take part in addition reaction with X?
question_answer64) The rate constant of a reaction at temperature 200 K is 10 times less than the rate constant at 400 K. What is the activation energy \[{{E}_{a}}\] of the reaction? (R = Gas constant)
question_answer71) The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element?
question_answer72) If the standard electrode potential of \[\text{C}{{\text{u}}^{\text{2+}}}\text{/Cu}\]electrode is 0.34 V, what is the electrode potential at 0.01 M concentration of \[\text{C}{{\text{u}}^{2+}}\]? \[(T=298{{\,}^{o}}K)\]
question_answer78) The electron affinity values (in \[\text{kJ}\,\text{mo}{{\text{l}}^{-1}}\]) of three halogens X, Y and Z are respectively \[-\text{ }349,\text{ }-333\] and \[-325.\] Then X, Y and Z respectively are:
question_answer111) In a cross between individuals with genotypes Tt Rr, if the resulting number of offspring is 16, identify the number of genotypes with Tt Rr and Tt RR amongst them:
question_answer112) A population is in Hardy-Weinberg equilibrium for a gene with only two alleles. If the gene frequency of an allele A is 0.7, genotype frequency of Aa is:
question_answer113) What percentage of homozygous \[R{{h}^{-ve}}\]will be born amongst 4 children of a couple where the husband is heterozygous for \[R{{h}^{+ve}}\]and wife is homozygous for \[R{{h}^{-ve}}\]gene?
question_answer125) What is the type of fruit that develops from the ovary of a monocarpellate gynoecium and breaks into several one seeded parts at maturity?
question_answer129) A plant is considered to possess all advanced morphological characters based on the evolutionary significance. Which one of the following sets of characters does the plant denote the same?
A)
Dioecious condition, gamopetalous corolla and multiple fruit
doneclear
B)
Actinomorphic flowers, free stamens and endospermic seeds
doneclear
C)
Perennial life span, diclamydeous flower and simple fruit
doneclear
D)
Simple leaves, monoecious condition and apocarpous pistil
question_answer132) Botanist collected some fruits with hook-like spines and when the seeds of the same have been germinated, they turned out to be Asteraceous laxa, bearing asepalous and wind pollinated flowers. The fruits he collected were of :
question_answer133) A raceme inflorescence of Tamarindus bears 15 flowers. Each fertile anther lobe of its flower contains 215 pollen grains. What would be the total number of pollen grains produced by the inflorescence:
question_answer135) In a double helix of DNA molecule of 10 coils, if there are 30 adenine nitrogen bases, what is the number of guanine, nitrogen bases :
question_answer145) A pathogen accumulates its secretion in the xylem vessels of a plant, whose seed epidermal hairs are of great economic importance. Identify the pathogen.
question_answer152) Identify the specific group, which carries out the following biochemical reaction: Aspartic acid+ \[\infty \]ketoglutaric acid \[\to \] Oxaloacetic acid + Glutamic acid
question_answer153) When one molecule of glucose is completely oxidized during aerobic respiration, how many molecules of carbon dioxide are released due to tricarboxylic acid cycle?
question_answer156) A bacterium which is capable of utilizing the most abundantly available gas in the atmosphere for one of its metabolic pathways, but cannot utilize the second most abundantly available for its another metabolic pathway is :
question_answer157) A phytohormone which increases the production of starch hydrolyzing enzymes during the germination of maize seeds, is employed for the following :