Solved papers for AMU Medical AMU Solved Paper-1996
done AMU Solved Paper-1996 Total Questions - 200
question_answer1) A block of mass m is released from the position A and moves on a frictionless surface as shown. The kinetic energies at positions B, C and D are\[{{K}_{B}},{{K}_{C}}\]and\[{{K}_{D}}\]respectively. Pick out the wrong statement from the following
question_answer2) Particle A makes a perfectly elastic collision with another particle B at rest. They fly apart in opposite directions with equal -velocities. The ratio of their masses\[{{m}_{A}}/{{m}_{B}}\]is
question_answer3) A homogeneous chain of length L lies on a table. If the coefficient of friction is\[\mu \], the maximum length of the chain that can hang over the table is
question_answer4) A body of mass 10 kg is lying on a rough plane inclined at an angle of\[30{}^\circ \]to the horizontal and the coefficient of friction is 0.5. The minimum force required to pull the body up the plane is
question_answer5) A stuntman plans to run across a rooftop and then horizontally off it to land on the roof of the next building. The roof of the next building is 4.9 m below the first one and 6.2 m away from it. What should be his minimum speed, in m/s, so that he can successfully make the jump
question_answer6) Two forces of magnitudes 8 N and 15 N respectively act at a point so as to make the resultant force of 17 N. The angle between the forces has to be
question_answer7) A body of mass 100 g is sliding from an inclined plane of inclination\[30{}^\circ \]. What is the frictional force experienced if\[\mu =0.7\]?
question_answer8) A ball is thrown up, it reaches a maximum height and then comes down. If \[{{t}_{1}}\]and \[({{t}_{2}}>{{t}_{1}})\]are the times that the ball takes to be at a particular height then the time taken by the ball to reach the highest point is
question_answer10) The radiation emitted per unit time by unit area of a black body at temperature \[T\]is \[\sigma {{T}^{4}}\] where a is the Stefan-Boltzmann constant. The constant\[\sigma \]can also be expressed in terms of Boltmanns constant (k). Plancks constant (h) and speed of light as\[\sigma =A{{k}^{a}}{{h}^{\beta }}{{c}^{\gamma }},\]where \[A,\alpha ,\beta \]and \[\gamma \]are dimensionless constants. The set \[(\alpha ,\beta ,\gamma )\]is given by
question_answer11) An ideal gas with pressure\[{{P}_{1}},\]volume V and temperature T is expanded isothermally to a volume\[2V\]and a final pressure P. The same gas is expanded adiabatically to a volume 2V, the final pressure is\[{{P}_{A}}\]. In terms of the ratio of the two specific heats for the gas\[\gamma \]the ration\[{{P}_{1}}/{{P}_{A}}\]is
question_answer12) The graph between potential energy Hand the intermolecular separations is as shown. The force between the molecules at the points A, B and C respectively is
question_answer13) The density of ice is 0.9 g/cc and that of sea water is 1.1 g/cc. An iceberg of volume V is floating in sea water. The fraction of iceberg above water level is
question_answer14) A planet has its mass and radius twice that of earth. If the acceleration due to gravity on the surface of earth is\[{{g}_{e}}\]and that on the surface of the planet is\[{{g}_{p}},\]the ratio\[\frac{{{g}_{e}}}{{{g}_{p}}}\]is
question_answer15) The angular speed of earth in rad/s so that the objects on equator may appear weightless (taking\[g=10\text{ }m/{{s}^{2}}\]and radius of earth\[=6400\] km) is
question_answer16) The angular momentum of a rotating body is along the axis of its rotation. Its moment of inertia about this axis is 8 gem2. If its kinetic energy is 10 J, the magnitude of angular momentum, in S.I units, is
question_answer17) A particle of mass m is bound by a linear potential\[U=kr\](\[k=a\]constant) and moves in a circular orbit of radius r. Its energy is
question_answer18) A particle, moving in a plane, is acted upon by a force of constant magnitude that is always perpendicular to the velocity of the particle. Pick out the correct statement/statements from the following (i) acceleration is constant (ii) kinetic energy is constant (iii) velocity is constant (iv) the particle moves in a circular path
question_answer19) Two particles of masses\[{{m}_{1}}\]and\[{{m}_{2}}\]( with\[{{m}_{1}}>{{m}_{2}}\]), initially at rest, move towards each other under an inverse square law force of attraction. Choose the correct statement about the center of mass (CM)
question_answer21) If the electric dipole moment (of magnitude\[6.2\times {{10}^{-30}}m\]) of a water molecule is initially pointing in a direction opposite to that of an electric field of magnitude\[1.5\times {{10}^{-4}}N/C\] The work done by the field in rotating the molecule into alignment with the field.
question_answer22) The electic potentials (in volts) at four points A,B,C and D are depicted in the figure. On which of the following paths will the work done on a charge of\[+2C\]be maximum. \[\begin{align} & \bullet (+2V) \\ & \,\,\,\,\,D \\ \end{align}\] \[\begin{align} & \bullet (-3V) \\ & \,\,\,\,\,C \\ \end{align}\] \[\begin{align} & \bullet (+1V) \\ & \,\,\,\,\,B \\ \end{align}\] \[\begin{align} & \bullet (-1V) \\ & \,\,\,\,\,A \\ \end{align}\]
question_answer23) A cube has its five sides grounded. The sixth side, insulated from the others, is held at an electric potential\[{{V}_{0}}.\]The potential at the centre of the cube will be
question_answer25) An open organ pipe and a closed organ pipe are tuned to the same tuning fork. The lengths of the open and closed pipes are in the ratio of
question_answer26) Transverse wave traveling on a rope is expressed by the equation \[y=10\sin (4\pi t-0.02\pi x)\]where\[x,\]y are in cms and\[t\]is in second. The wavelength and the maximum velocity of a particle in the rope are given in cm and cm/s, respectively by
question_answer27) The vertical harmonic oscillations of three spring systems are shown in figures I, II and III. If all the springs are identical each having a force constant k. The ratio of the time periods of the systems is
question_answer28) Some examples of periodic motion are 1. A seconds pendulum 2. Human pulse, 3, Alternating current 4. Earths rotation about its own axis. 5. Moon moving round the earth. Which of the following sequence arranges the time periods of these motions in correct increasing order?
question_answer29) A Carnots reversible engine converts 1/6 of heat input into work. When the temperature of the sink is reduced by 62 K. The efficiency of Carnots cycle becomes 1/3. The temperatures of the source and the sink, in degree Kelvin, are respectively
question_answer31) When an object is at distances\[{{u}_{1}}\]and\[{{u}_{2}}\]from a lens a real image and a virtual image is formed respectively having the same magnification. The focal length of the lens is
question_answer33) In an A.C. circuit the potential differences across an inductance and resistance joined in series are 12V and 16V respectively. The total potential difference across the circuit, in volts, is
question_answer35) In the given diagram XY is a solenoid of insulated wire Fix on a cardboard tube and PQ is a soft iron cylinder. The current is switched on and is in the direction indicated by the arrows. Which of the following pair of poles is correct?
question_answer36) A wire of given length is first bent in a single circular loop. Next, it is bent in three loops. If the same current is passed in both the cases, the ratio of magnetic fields (in the first to the second situation) at their centers is
question_answer37) A rectangular loop carrying a current\[i\]is situated near a long straight wire, such that the wire is parallel to one of the sides of the loop and is in the plane of the loop. If a steady current\[I\]is established in the wire as shown in the diagram, the loop will
question_answer38) In an experiment to determine the electrochemical equivalent (ECE) of copper using a copper voltameter the time current graph is as shown. If the mass deposited in 30 minutes is m grams, the ECE of copper, in g/C is
question_answer40) Consider the statements A: Internal resistance of a cell depends on the distance between the plates but the emf does not. B: The emf of a cell does not depend on the area of the electrodes but the internal resistance does. Pick out the correct statement/statements:
question_answer44) Consider the nuclear reaction\[{{X}^{200}}\to {{Y}^{100}}+{{Z}^{90}}+\]energy. If the binding energies per nucleon for the nuclei X, Y and Z are 7.4 MeV, 8.2 MeV and 8.2 MeV respectively the energy released, in MeV, is
question_answer45) A freshly prepared radioactive sample of half life 2 hours emits radiations of intensity that is 64 times the permissible safe limit. The minimum time after which it would be possible to work safely with this source is
question_answer46) The first excited state of hydrogen atom is 10.2 eV above its ground state. The temperature needed to excite the hydrogen atom to the excited state will be of the order of
question_answer47) Imagine a Youngs double slit interference experiment performed with electron waves associated with fast moving electrons coming from an electron gun. The distance between successive maxima will decrease if the
A)
accelerating voltage in electron gun is increased
doneclear
B)
accelerating voltage is decreased
doneclear
C)
distance between the screen and the. slits is increased
question_answer48) For three different metals A,B,C photoemission is observed one by one. The graphs of maximum kinetic energy\[({{K}_{\max }})vs\]frequency of incident radiation (i)) are sketched as
(I)
(II)
(III)
(IV)
Which one of these represents the correct situation?
question_answer49) A beam of light of wave length 6000 A from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is
question_answer50) The focal length of the objective of an astronomical telescope is 1.0 m if the magnifying power of the telescope is 20 the length of the telescope for relaxed eye in cm is
question_answer64) In the following reaction, which is the species being oxidised? \[2F{{e}^{3+}}(aq)+2{{I}^{-}}(aq)\to {{I}_{2}}(aq)+2F{{e}^{2+}}(aq)\]
question_answer66) A gas is enclosed in a room. The temperature, pressure, density and number of moles of the gas respectively are\[t{}^\circ C,\text{ }p\]atm,\[dg\text{ }c{{m}^{-3}}\]and n. If the room is partitioned into four equal compartments which of these quantities will be different in the small compartments?
question_answer67) An aqueous solution of sucrose,\[{{C}_{12}}{{H}_{22}}{{O}_{11}},\] containing 34.2 g/1 has an osmotic pressure of 2.38 atmospheres at\[17{}^\circ C\]for an aqueous solution of glucose,\[{{C}_{6}}{{H}_{12}}{{O}_{6}}\]to be isotonic with this solution, it would have
question_answer68) If all the four following compounds were sold at the same price, which would be cheapest for preparing an antifreeze solution for a car radiator?
question_answer70) Will the dissociation of\[PC{{l}_{5}}\]in the reaction \[PC{{l}_{5}}(g)PC{{l}_{3}}(g)+C{{l}_{2}}(g);\Delta H=+2.22\]Kcal be favoured by
question_answer88) The first \[(I{{E}_{1}})\]and second\[(I{{E}_{2}})\]ionization energies\[\text{(kj/mol)}\]of a few elements designated by Roman numerals are given below. Which of these would be an alkali metal?
question_answer91) In the following sequence of reactions, the compound C formed would be \[C{{H}_{3}}-\underset{\begin{smallmatrix} | \\ N{{H}_{2}} \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\xrightarrow[{}]{HN{{O}_{2}}}A\xrightarrow[{}]{OX}B\] \[\xrightarrow[{{H}^{+}}/{{H}_{2}}O]{C{{H}_{3}}MgI}C\]
question_answer92) Which of the following applies in this reaction? \[C{{H}_{3}}-CHBr-C{{H}_{2}}-C{{H}_{3}}\xrightarrow[{}]{alc\,KOH}\] (i) \[C{{H}_{3}}-CH=CH-C{{H}_{3}}\]major product (ii) \[C{{H}_{2}}=CH-C{{H}_{2}}-C{{H}_{3}}\]minor product
question_answer97) Under which of the following conditions would toluene,\[{{C}_{6}}{{H}_{5}}-C{{H}_{3}}\]be converted into bromomethyl benzene\[{{C}_{6}}{{H}_{5}}-C{{H}_{2}}Br\]?
question_answer109) During winter a person died during sleep, the room was closed and a container with burnt charcoal was found in the room. What may be the possible reason of his death?
A)
non-availability of oxygen
doneclear
B)
Hb has more affinity to combine with carbon monoxide
question_answer148) There are at least three methods of transmission available for AIDS i.e. sexual, perinatal and parenteral. Mother to child infection is called as
question_answer149) Recombination of the alleles of two genes A and B following crossing over will hypothetically result in four allelic recombinations. In the absence of crossing over the two parental combinations would be formed as
question_answer154) In order to reduce expenses over plantation for afforestation under the umbrella of social forestry, a system has been developed which includes forestry and agriculture. The system is termed as
question_answer155) Reindeer Moss, a very important producer in arctic zone and which constitute the starting point. of food chain in this region and also the staple food of reindeers belongs to
question_answer158) In electron transport chain,\[FAD{{H}_{2}}\]is oxidised to FAD, the electrons are passed to cytochrome proteins whereas hydrogen ions are released into
question_answer161) Minamata is a common disease which is prevalent in certain industrial areas of developed countries. The main cause of the disease is due to the pollution of heavy metals. Select the metals responsible for this disease
question_answer167) The ovule during its development undergoes \[90{}^\circ \]curvature bringing the micropyle and chalaza in a line but a right angle to the funicle. The ovule development conforms to
question_answer183) Which one of the following plants exhibits an example of anisophylly, where the different size of leaves are present in opposite phyllotaxy?
question_answer184) Chipko Andolan (movement) which was started in 1970 in GarhwaI/Himalayas (Gopeshwar) near Alaknanda River was for the first time initiated by
question_answer186) The cell ca of 2-celled proembryo divides transversely, whereas the cell cb does not divide at all. Even if the suspensor is formed that too develops from the cell ca. The embryo develops from the cell ca or its derivatives. The embryo development conforms to
question_answer190) A distinct nucleus is generally present in each and every plant cell at meristematic stage. During differentiation the nucleus disorganises in which of the following?
question_answer191) If a fruit is developed from bicarpellary, syncarpous, superior ovary with parietal placentation and unilocular when young but becoming bilocular with age and also pod like in appearance is termed as
question_answer193) Lencaena - a fast growing tree has been selected as a fuel yielding tree under the social forestry programme in rural area of our country. What is the common name of this tree?
question_answer194) One of the recently introduced new crop of oil seed in the deserts of India is Jojoba. Select the correct botanical name of this plant.
question_answer199) A natural phenomenon is commonly observed in lakes, ponds and ditches that there is a rich growth of algae and other microorganisms which consume much of the dissolved oxygen resulting the death of fish at night. This phenomenon is termed as