PHY101_OBJ_Questions.txt

[MAX]64[/MAX]

[QUESTIONS]

<1>In a perfectly inelastic collision

<2>In an inelastic collision which of the following is not true?

<3>The collision between two or more objects during which no energy is lost is called

<4>The sudden impact felt between two or more objects is called

<5>Linear momentum is always conserved when the rate of change of momentum is

<6>Work is a product of

<7>The path followed by the projectile is known as

<8>The range of a projectile launched from the ground is the

<9>In a projectile motion, at maximum height the verticle component of velocity is

<10>Projectile motion is an example of motion in how many dimensions?

<11>The transfer of heat through solids is known as

<12>The constant-volume gas thermometer is normally refered to as the

<13>Force is equal to the product of mass and

<14>Which of the following is the SI Unit of momentum

<15>The product of force and time is equal to

<16>A symmetrical body rotating about an axis with one point fixed at the centre of gravity is called ----------

<17>A body starts from rest and accelerates uniformly at a rate of 5m/s2. calculate its velocity after 90m

<18>A ball is thrown vertically upwards from the ground with an initial velocity of 50m/s. The total time spent by the ball in the air will be -----------

<19>A man will exert the greatest pressure on a bench when he ----------

<20>The slope of a straight line displacement time graph gives the --------------

<21>The force of ---------------allow cars to move on the roads without skidding

<22>Acceleration due to gravity is -------------- at the poles than at the equator

<23>The ---------------- velocity is the minimum velocity needed by an object to be project into space from the surface of the earth.

<24>Acceleration due to gravity increases with --------------

<25>Below the earth's surface, the accelaration due to gravity decreases linearly with

<26>which of the following is not a fundamental force

<27>The acceleration due to gravity vary from location to location because of the effect of earth's

<28>The √2gr is known as the

<29>The height of the parking orbit above the surface of the is given by

<30>The internal energy U of a system depends on the

<31>The velocity of orbiting satellite is given by

<32>The gravitational force on a sattelite produces the centripetal acceleration that keeps the satellite in

<33>The path describe by a satellite round the sun is a

<34>When there is no reaction force to an objects weight, the object becomes

<35>The path of a satellite whose period of revolution is equal to the period of rotation of the earth about its axis is known as

<36>The process in which energy is transfered by means of electromagnetic waves is known as

<37>1kg mass placed on the moon will weigh

<38>Which of the quantities vary from point to point on the surface of the earth

<39>Energy expended per time is called

<40>The quantity of matter contained in a body is called

<41>Newton's second law states that the rate of change of momentum is directly proportional to the

<42>Stable equilibrium happens when the forces in the displaced position act such that they return the body to its

<43>In a circular motion which of the following quantities is constant

<44>When a body accelerates in motion it means that its

<45>The velocity of a particle at some point of its path is called

<46>Velocity is defined as

<47>A car that takes 2hrs to travel from kaduna to kagoro along a winding road over a distance of 200km is said to have an average speed of

<48>If you run on a winding path from point A to point B and travel a distance of 240m in 20sec then your average speed is

<49>Which of the following is a vector quantity?

<50>The result of the cross product of two vectors is a

<51>The scalar product of any two vectors at right angles to each other is always

<52>The degree of hotness or coldness of a body is called

<53>if Vector P = 5i -2j and Q=3i+3j and R=4i-j . What is P+Q+R?

<54>A Null vector is a vector whose magnitude is

<55>If a force of 40N acting in the direction due East and a force of 30N is acting in the direction due North. Then the magnitude of the resultant forces will be

<56>A Scalar quantity has only

<57>A Vector quantity has both direction and

<58>the change in the thermo-electric e.m.f per degree Celsius in temperature between the hot and cold junctions is known as

<59>The dimension of coefficient of linear expansion is

<60>The thermometer that is constructed by using the Seebeck effect is known as

<61>Which of the following gives the dimension of velocity?

<62>Which of the following will give the dimension of Area

<63>The SI Unit of time is

<64>Which of the following quantities have a derived unit?

[/QUESTIONS]

[OPTIONS]

<1>heat is gained
energy is lost
energy is gained
power is lost

<2>kinetic energy is not conserved
kinetic energy is conserved
potential energy is conserved
potential energy is not conserved

<3>conserved collision
material collision
inelastic collision
elastic collision

<4>explosion
conservation
collision
None of the above

<5>zero
one
linear
circular

<6> force x distance
force x time
force x momentum
force x velocity

<7>curve
range
flight time
trajectory

<8>vertical distance
perpendicular distance
horizontal distance
none of the above

<9>greatest
zero
downwards
upwards

<10>one
two
three
four

<11>conduction
radiation
convection
thermodition

<12>mercury thermometer
liquid thermometer
standard thermometer
gas thermometer

<13>acceleration
velocity
time
distance

<14>N/s
kgm
N
kg/m

<15>momentum
watts
acceleration
impulse

<16>top
gyroscope
rotor
none of the above

<17>18m/s
30m/s
25m/s
13m/s

<18>10sec
15sec
20sec
25sec

<19>lies flat on his back
lies flat on his belly
stands on the toes of one foot
stand on both feets

<20>distance travelled
uniform velocity
acceleration
uniform speed

<21>engine
centripetal
centrifugal
friction

<22>minimal
tighter
greater
lost

<23>escape
vertical
initial
final

<24>magnitude
altitude
latitude
longitude

<25>density
depth
height
none of the above

<26>gravitational
electroweak
strong
minute

<27>rotation
radius
weight
mass

<28>uniform velocity
escape velocity
fixed velocity
constant velocity

<29>h=R+r
h=R-V
h=R-r
h=r-R

<30>power of the system
state of the system
energy equation
internal resistance

<31>√2gr
√GM
r/t
√GM/r

<32>orbit
constant position
radial path
freefall

<33>conical section
spherical
full circle
none of the above

<34>strong
weightless
gravitating
freefall

<35>rotating orbit
stationary orbit
parking orbit
space orbit

<36>conduction
convection
radiation
resistation

<37>9.8N
9.7N
1.67kg
1.67N

<38>gravitational constant
mass
moon
weight

<39>power
work
joule
kinetic

<40>weight
mass
matter
gravity

<41>pressure
force
energy
power

<42>original position
unstable position
final position
neutral position

<43>velocity
time
mass
accelaration

<44>path is linear
velocity is uniform
velocity changes continously
none of the above

<45>uniform velocity
instantaneous velocity
regular velocity
All of the above

<46>distance/time
speed/time
displacement/time
variation/time

<47>100km/hr
10km/hr
1000km/hr
10,000km/hr

<48>6m/s
12m/s
16m/s
20m/s

<49>distance
speed
temperature
displacement

<50>scalar
zero quantity
determinant
vector

<51>1
90
zero
none of the above

<52>pressure
heat
temperature
kelvin

<53>6i
12i
7i
14i

<54>zero
very large
continous
available

<55>40N
30N
20N
50N

<56>direction
velocity
magnitude
time

<57>unit
magnitude
speed
quantity

<58>clinical power
thermo-electric power
electric
power

<59> K
degrees
Lxdegrees
L

<60>Thermo-electric
clinical
mercury
none of the above

<61>TxLxL
LxT
L/T
L/M

<62> LxL
LxLxL
MxM
MxMxM

<63>minute
seconds
day
year

<64>length
time
area
mass

[/OPTIONS]

[ANSWERS]

<1>energy is lost

<2>kinetic energy is not conserved

<3>elastic collision

<4>collision

<5>zero

<6>force x distance

<7>trajectory

<8>horizontal distance

<9>zero

<10>two

<11>conduction

<12>standard thermometer

<13>acceleration

<14>kg/m

<15>impulse

<16>gyroscope

<17>30m/s

<18>10sec

<19>stands on the toes of one foot

<20>uniform velocity

<21>friction

<22>greater

<23>escape

<24>latitude

<25>depth

<26>minute

<27>rotation

<28>escape velocity

<29>h=R-r

<30>state of the system

<31>√GM/r

<32>orbit

<33> conical section

<34>weightless

<35>parking orbit

<36>radiation

<37>1.67N

<38>weight

<39>power

<40>mass

<41>force

<42>original position

<43>accelaration

<44>velocity changes continously

<45>instantaneous velocity

<46>displacement/time

<47>100km/hr

<48>12m/s

<49>displacement

<50>vector

<51>zero

<52>temperature

<53>12i

<54>zero

<55>50N

<56>magnitude

<57>magnitude

<58>thermo-electric power

<59>Lxdegrees

<60>Thermo-electric

<61>L/T

<62>LxL

<63>seconds

<64>area

[/ANSWERS]