question_answer2) A ball whose kinetic energy is E, is projected at an angle of \[{{45}^{o}}\] to the horizontal. The kinetic energy of the ball at the highest point of its flight will be
AIEEE Solved Paper-2002
question_answer3) From a building, two balls A and B are thrown such that A is thrown upwards and B downwards (both vertically). If \[{{v}_{A}}\] and \[{{v}_{B}}\] are their respective velocities on reaching the ground, then
AIEEE Solved Paper-2002
question_answer4) If a body loses half of its velocity on penetrating 3 cm in a wooden block, then how much will it penetrate more before coming to rest?
AIEEE Solved Paper-2002
question_answer5) If suddenly the gravitational force of attraction between earth and a satellite revolving around it becomes zero, then the satellite will
AIEEE Solved Paper-2002
A)
continue to move in its orbit with same velocity
doneclear
B)
move tangentially to the original orbit with the same velocity
question_answer7) If in a circular coil A of radius R, current j is flowing and in another coil B of radius 2 R, a current 2 i is flowing, then the ratio of the magnetic fields, \[{{B}_{A}}\] and \[{{B}_{B}}\] produced by them will be
AIEEE Solved Paper-2002
question_answer9) A wire when connected to 220 V mains supply has power dissipation \[{{P}_{1}}\]. Now, the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is \[{{P}_{2}}\]. Then, \[{{P}_{2}}:{{P}_{1}}\] is
AIEEE Solved Paper-2002
question_answer10) If \[13.6\] eV energy is required to ionize the hydrogen atom, then the energy required to remove an electron from \[n=2\], is
AIEEE Solved Paper-2002
question_answer11) Tube A has both ends open while tube B has one end closed, otherwise they are identical. The ratio of fundamental frequency of tubes A and B is
AIEEE Solved Paper-2002
question_answer12) A tuning fork arrangement (pair) produces 4 beats/s with one fork of frequency 288 cps. A little wax is placed on the unknown fork and it then produces 2 beats/s. The frequency of the unknown fork is
AIEEE Solved Paper-2002
question_answer13) A wave \[y=a\sin \,(\omega t-kx)\] on a string meets with another wave producing a node at \[x=0\]. Then, the equation of the unknown wave is
AIEEE Solved Paper-2002
question_answer14) On moving a charge of 20 C by 2 cm, 2 J of work is done, then the potential difference between the points is
AIEEE Solved Paper-2002
question_answer18) A charged particle g is placed at the centre O of cube of length L (ABCDEFGH). Another same charge q is placed at a distance L from O. Then, the electric flux through ABCD is
AIEEE Solved Paper-2002
question_answer20) Wavelength of light used in an optical instrument are \[{{\lambda }_{1}}=4000\,\overset{0}{\mathop{A}}\,\] and \[{{\lambda }_{2}}=5000\,\overset{0}{\mathop{A}}\,\], then ratio of their respective resolving powers (corresponding to \[{{\lambda }_{1}}\] and \[{{\lambda }_{2}}\]) is
AIEEE Solved Paper-2002
question_answer21) Two identical particles move towards each other with velocity 2v and v respectively. The velocity of centre of mass is
AIEEE Solved Paper-2002
question_answer30) If \[{{\theta }_{i}}\] is the inversion temperature, \[{{\theta }_{n}}\] is the neutral temperature, \[{{\theta }_{c}}\] is the temperature of the cold junction, then
AIEEE Solved Paper-2002
question_answer32) If \[{{N}_{0}}\] is the original mass of the substance of half-life period \[{{t}_{1/2}}\,=5\,\,yr,\] then the amount of substance left after \[15\,yr\] is
AIEEE Solved Paper-2002
question_answer37) Length of a string tied to two rigid supports is 40 cm. Maximum length (wavelength in cm) of a stationary wave produced on it, is
AIEEE Solved Paper-2002
question_answer38) The power factor of an AC circuit having resistance R and inductance L (connected in series) and an angular velocity co is
AIEEE Solved Paper-2002
question_answer41) Cooking gas containers are kept in a lorry moving with uniform speed. The temperature of the gas molecules inside will
AIEEE Solved Paper-2002
question_answer43) If mass-energy equivalence is taken into account, when water is cooled to form ice, the mass of water should
AIEEE Solved Paper-2002
question_answer47) Initial angular velocity of a circular disc of mass M is \[{{\omega }_{\,1}}\]. Then, two small spheres of mass m are attached gently to two diametrically opposite points on the edge of the disc. What is the final angular velocity of the disc?
AIEEE Solved Paper-2002
question_answer48) The minimum velocity (in \[m{{s}^{-1}}\]) with which a car driver must traverse a flat curve of radius 150 m and coefficient of friction \[0.6\] to avoid skidding is
AIEEE Solved Paper-2002
question_answer49) A cylinder of height 20 m is completely filled with water. The velocity of efflux of water (in \[m{{s}^{-1}}\]) through a small hole on the side wall of the cylinder near its bottom, is
AIEEE Solved Paper-2002
question_answer50) A spring of force constant 800 N/m has an extension of 5 cm. The work done in extending it from 5 cm to 15 cm is
AIEEE Solved Paper-2002
question_answer52) A lift is moving down with acceleration a. A man in the lift drops a ball inside the lift. The acceleration of the ball as observed by the man in the lift and a man standing stationary on the ground are respectively
AIEEE Solved Paper-2002
question_answer54) At what temperature is the \[rms\] velocity of a hydrogen molecule equal to that of an oxygen molecule at \[{{47}^{o}}C\]?
AIEEE Solved Paper-2002
question_answer55) The time period of a charged particle undergoing a circular motion in a uniform magnetic field is independent of its
AIEEE Solved Paper-2002
question_answer56) A solid sphere, a hollow sphere and a ring are released from top of an inclined plane (frictionless) so that they slide down the plane. Then, maximum acceleration down the plane is for (no rolling)
AIEEE Solved Paper-2002
question_answer57) In a transformer, number of turns in the primary are 140 and that in the secondary are 280. If current in primary is 4 A, then that in the secondary is
AIEEE Solved Paper-2002
question_answer60) When forces \[{{F}_{1}},{{F}_{2}},{{F}_{3}}\] are acting on a particle of mass m such that \[{{F}_{1}}\] and \[{{F}_{2}}\] are mutually perpendicular, then the particle remains stationary. If the force \[{{F}_{1}}\] is now removed, then the acceleration of the particle is
AIEEE Solved Paper-2002
question_answer61) Two forces are such that the sum of their magnitudes is 18 N and their resultant which has magnitude 12 N, is perpendicular to the smaller force. Then, the magnitudes of the forces are
AIEEE Solved Paper-2002
question_answer62) Speeds of two identical cars are u and 4 u at a specific instant. The ratio of the respective distances at which the two cars are stopped from that instant is
AIEEE Solved Paper-2002
question_answer63) 1 mole of a gas with \[\gamma =7/5\] is mixed with 1 mole of a gas with \[\gamma =5/3\] , then the value of y for the resulting mixture is
AIEEE Solved Paper-2002
question_answer64) If a charge q is placed at the centre of the line joining two equal charges Q such that the system is in equilibrium, then the value of q is
AIEEE Solved Paper-2002
question_answer66) A light string passing over a smooth light pulley connects two blocks of masses \[{{m}_{1}}\] and \[{{m}_{2}}\] (vertically). If the acceleration of the system is g/8, then the ratio of the masses is
AIEEE Solved Paper-2002
question_answer67) Two spheres of the same material have radii 1 m and 4 m and temperatures 4000 K and 2000 K respectively. The ratio of the energy radiated per second by the first sphere to that by the second is
AIEEE Solved Paper-2002
question_answer68) Three identical blocks of masses \[m=2\] kg are drawn by a force \[F=10.2\] N with an acceleration of \[0.6\,\,m{{s}^{-2}}\] on a frictionless surface, then what is the tension (in N) in the string between the blocks B and C?
AIEEE Solved Paper-2002
question_answer69) One end of massless rope, which passes over a massless and frictionless pulley P is tied to a hook C while the other end is free. Maximum tension that the rope can bear is 360 N. With what value of maximum safe acceleration (in \[m{{s}^{-2}}\]) can a man of 60 kg climb on the rope?
AIEEE Solved Paper-2002
question_answer70) A particle of mass m moves along line PC with velocity v as shown. What is the angular momentum of the particle about O?
AIEEE Solved Paper-2002
question_answer71) Wires 1 and 2 carrying currents, \[{{i}_{1}}\] and \[{{i}_{2}}\] respectively are inclined at an angle \[\theta \] to each other. What is the force on a small element dl of wire 2 at a distance r from wire 1 (as shown in figure) due to the magnetic field of wire 1?
AIEEE Solved Paper-2002
question_answer72) At a specific instant emission of radioactive compound is deflected in a magnetic field. The compound can emit (i) electrons (ii) protons (iii) \[H{{e}^{+}}\] (iv) neutrons The emission at the instant can be
AIEEE Solved Paper-2002
question_answer73) Sodium and copper have work functions \[2.3\] eV and \[4.5\] eV respectively. Then, the ratio of the wavelengths is nearest to
AIEEE Solved Paper-2002
question_answer75) A conducting square loop of side L and resistance R moves in its plane with a uniform velocity v perpendicular to one of its sides. A magnetic induction B constant in time and space, pointing perpendicular and into the plane at the loop exist everywhere with half the loop outside the field, as shown in figure. The induced emf is
AIEEE Solved Paper-2002