BSC CSIT Entrance preparation Model Question & Answer
* The momentum of a body is increased by 100% the percentage in its KE will be e
*Which of the following is a vector quantity?
Electric flux magnetic flux current electric intensity$
A projectile is fired from ground at an angle 30 degree with horizontal with a certain velocity u the change in velocity when it strikes the ground is
*A person of mass 60 kg is inside in elevator escalating upward with a constant acceleration of 2 metre per second square the weight of the person inside the elevator is
*KE of a system is concerned in which of the following collision ?
Perfectly plastic collision
*at what height above the surface of the earth the value of acceleration due to gravity becomes 1/9th of that on surface of Earth
*Modulus of elasticity of a perfectly rigid body is
Positive negative zero infinite
wooden ball of density 0.6 g/cc is impressed in water to or depth of 3 cm and released find the height above the surface of the water up to which the ball will jump out of water .
*Which of the following substance has maximum viscosity ?
Mercury water oxygen glycerine
In a kerosene lamp oil rises on account of surface tension
*The nate displacement of a body in simple harmonic motion during one oscillation is numerically equal to
double of its amplitude
half of amplitude
*Calorimetry is based on the principle of conservation of
Energy linear momentum charge angular momentum
*when copper ball is heated the largest percentage increase will occur in its
*when a gas filled in close vessel is heated through 1degree c, it’s pressure increased by 0.4 % the initial temperature of the gas was
**For conversion of galvanometer into voltmeter
Small resistance connected in series
Sma resistance is connected in parallel
Large resistance is connected in parallel
Large resistance is connected in series
*Canal rays are
*Visible light is represented by which of the following series
*SI unit of radioactivity is
*The books on the table…. Expensive