AIPMT 2011 Prelims

171 Questions • 171 Minutes • 2011

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The dimensions of (μ₀ε₀)^(−1/2) are

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The moment of inertia of a thin uniform rod of mass M and length L about an axis passing through its midpoint and perpendicular to its length is I₀. Its moment of inertia about an axis passing through one of its ends and perpendicular to its length is

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A boy standing at the top of a tower of 20 m height drops a stone. Assuming g = 10 m s⁻², the velocity with which it hits the ground is

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A person of mass 60 kg is inside a lift of mass 940 kg and presses the button on the control panel. The lift starts moving upwards with an acceleration 1.0 m/s². If g = 10 m s⁻², the tension in the supporting cable is

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The instantaneous angular position of a point on a rotating wheel is given by the equation θ(t) = 2t³ − 6t². The torque on the wheel becomes zero at

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A particle moves in a circle of radius 5 cm with constant speed and time period 0.2π s. The acceleration of the particle is

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A body of mass M hits normally a rigid wall with velocity V and bounces back with the same velocity. The impulse experienced by the body is

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A planet moving along an elliptical orbit is closest to the sun at a distance r₁ and farthest away at a distance of r₂. If v₁ and v₂ are the linear velocities at these points respectively, then the ratio v₁/v₂ is

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A radioactive nucleus of mass M emits a photon of frequency ν and the nucleus recoils. The recoil energy will be

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The potential energy of a system increases if work is done

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A body is moving with velocity 30 m/s towards east. After 10 seconds its velocity becomes 40 m/s towards north. The average acceleration of the body is

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A missile is fired for maximum range with an initial velocity of 20 m/s. If g = 10 m/s², the range of the missile is

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A charge Q is enclosed by a Gaussian spherical surface of radius R. If the radius is doubled, then the outward electric flux will

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A parallel plate condenser has a uniform electric field E (V/m) in the space between the plates. If the distance between the plates is d (m) and area of each plate is A (m²) the energy (joules) stored in the condenser is

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A current of 2 A flows through a 2 Ω resistor when connected across a battery. The same battery supplies a current of 0.5 A when connected across a 9 Ω resistor. The internal resistance of the battery is

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The rate of increase of thermo e.m.f. with temperature at the neutral temperature of a thermocouple

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A current carrying closed loop in the form of a right angle isosceles triangle ABC (right angle at B) is placed in a uniform magnetic field acting along AB. If the magnetic force on the arm BC is F⃗, the force on the arm AC is

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The power obtained in a reactor using U-235 disintegration is 1000 kW. The mass decay of U-235 per hour is

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There are four light-weight-rod samples, A, B, C, D separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted (i) A is feebly repelled (ii) B is feebly attracted (iii) C is strongly attracted (iv) D remains unaffected Which one of the following is true?

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The electric and the magnetic field, associated with an e.m. wave, propagating along the +z-axis, can be represented by

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Paper Info

Exam: AIPMT Prelims
Year: 2011
Questions: 171
Duration: 171 mins

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