Category Archives: Aieee Physics

Q. 29. In a series LCR circuit  and the voltage and the frequency of the main supply is 220 V and 50 Hz respectively. On taking out the capacitance from the circuit the current lags behind the voltage by 30º. On taking … Continue reading →

Q. 26. As the beam enters the medium, it will diverge converge diverge near the axis and converge near the periphery travel as a cylindrical beam Sol:  converging beam Answer : (2) Q. 27. The initial shape of the wavefront of the … Continue reading →

Q. 25. For a particle in uniform circular motion, the acceleration  at a point on the circle of radius R is (Here  is measured from the x-axis) Sol:   Answer : (3) Directions: Questions number 56 – 58 are based on the following paragraph. … Continue reading →

Directions: Questions number 40-41 are based on the following paragraph. A nucleus of mass M + m is at rest and decays into two daughter nuclei of equal mass each. Speed of light is c. Q. 24. The binding energy per nucleon for … Continue reading →

Q. 22.Two conductors have the same resistance at 0 ºC but their temperature coefficients of resistance are . The respective temperature coefficients of their series and parallel combinations are nearly Sol: Answer : (4) Q. 23. A point P moves in counter-clockwise … Continue reading →

Q. 21. Two identical charged spheres are suspended by strings of equal lengths. The strings make an angle of 30º with each other. When suspended in a liquid of density 0•8 g  , the angle remains the same. If density of the … Continue reading →

Q. 20. The potential energy function for the force between two atoms in a diatomic molecule is approximately given by , where a and b are constants and x is the distance between the atoms. If the dissociation energy of the molecule … Continue reading →

Q. 18. A small particle of mass m is projected at an angle  with the x-axis with an initial velocity  in the x-y plane as shown in the figure. At a time Sol: The position vector and velocity vector of projectile at any … Continue reading →

Q.15. A diatomic ideal gas is used in a Carnot engine as the working substance. If during the adiabatic expansion part of the cycle the volume of the gas increases from V to 32 V, the efficiency of the engine is … Continue reading →

Q. 9.Two fixed frictionless inclined planes making an angle 30º and 60º with the vertical are shown in the figure. Two blocks A and B are placed on the two planes. What is the relative vertical acceleration of A with … Continue reading →