BSC CSIT Entrance preparation Model Question

BSC CSIT Entrance preparation Model Question & Answer

* The momentum of a body is increased by 100% the percentage in its KE will be e

100%#

200

300

400

*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

u

u/2

u/3

Zero#

*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

408

480#N

600

720

*KE of a system is concerned in which of the following collision ?

Elastic collision#

Inelastic collision

Perfectly plastic collision

All

*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

9R

3R

2R#

R

*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 .

3cm

2cm

1cm

0.5cm#

*Which of the following substance has maximum viscosity ?

Mercury water oxygen glycerine

In a kerosene lamp oil rises on account of surface tension

capillarity #

viscosity

gravitation

*The nate displacement of a body in simple harmonic motion during one oscillation is numerically equal to

its amplitude

double of its amplitude

half of amplitude

Zero#

*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

Diameter

 volume

density

area

*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

300k

275k

250k

200k

***

**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

Negative rays

Positive rays

Neutral rays

electromagnetic wave

*Visible light is represented by which of the following series

Lyman series

Balmer series#

Paschen series

Pfund series

*SI unit of radioactivity is

Rutherford

Curie

Bacquerel #

All

*The books on the table…. Expensive

Is

was

are#

has been

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