QUESTIONS OF MID
SEMESTER
SUBJECT : PHYSICS
CLASS : SENIOR
1
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Num
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Topic
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Question
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Answer key
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Level of Difficulty
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1
|
Mass and weight
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The force on the object due to gravity
known as…
a.
Mass
b.
Weight
c.
Speed
d.
Velocity
e.
Acceleration)
|
B
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Easy
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2
|
Density
|
A cube has 10 cm the length of edge
and its weight is 10 N (the earth’s gravitational field is 10 m/s2).
What is the density of the cube…
a.
5 g/cm3
b.
4 g/cm3
c.
3 g/cm3
d.
2 g/cm3
e.
1 g/cm3
|
E
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Medium
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3
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Forces
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The following statemants arenot true
about force is…
a.
A force is a push or a pull
b.
A force can change the speed of an object
c.
A force can change the direction of movement of an object
d.
A force change the mass of an object
e.
A force can change the shape of an object
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D
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Medium
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4
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Hooke’s Law
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The original length of spring is 2.4 metres. 10 kg of
iron is hung to the spring and then, the length of spring becomes 2.6 metres. What is the spring
constant? ( the earth’s gravitational field is 10 m/s2)
a.
200 N/m
b.
300 N/m
c.
400 N/m
d.
500 N/m
e.
600 N/m
|
D
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Difficult
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5
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Newton’s law
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A car move with speed 20 m/s during 5
seconds. How much does the force work in car if the mass of car is 100 kg?
a.
100 N
b.
200 N
c.
300 N
d.
400 N
e.
500 N
|
D
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Difficult
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6
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Work
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A wood moves 5 m because of 10 N force
works on to the wood. What is the work done on the wood?
a.
70 N
b.
60 N
c.
50 N
d.
40 N
e.
30 N
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C
|
Medium
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7
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States of matter
|
There are three states of matter, they
are..
a.
Metal, non-metal, liquid
b.
Liquid, metal, gas
c.
Liquid, solid, gas
d.
Solid, metal , gas
e.
Gas ,solid, non-metal
|
C
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Medium
|
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8
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Transfer of thermal energy
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Materials that allow thermal energy to
transfer trough them quickly are
called..
a.
Thermal transfer
b.
Thermal conductors
c.
Thermal insulators
d.
Thermal energy
e.
Thermal heat
|
B
|
Medium
|
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9
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General wave properties
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The number of complete waves that go
past each second known as…
a.
wavelength
b.
amplitude
c.
speed
d.
frequency
e.
wavefront
|
D
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medium
|
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10
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Relationship between speed, frequency,
and wavelength.
|
The speed of the radio waves id 40
m/s. its wavelength is 2,5 m. What is the frequency of the radio waves?
a.
20 Hz
b.
19 Hz
c.
18 Hz
d.
17 Hz
e.
16 Hz
|
E
|
Medium
|
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12
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evaporation
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When particles break away from the
surface of a liquid and form a vapour, this is known as…
a.
Evaporation
b.
Pressure
c.
Temperature
d.
Brownian motion
e.
Solid
|
A
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Medium
|
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13
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Melting and boiling point
|
The temperature of a substance when it
changes from a aliquid to a gas, known
as…
a.
condensation
b.
latent heat of vaporization
c.
melting point
d.
boiling point
e.
solidification
|
D
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Medium
|
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14
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Refraction of light
|
When the light travels from air into
glass, it waves….
a.
Slow down
b.
Same with in air
c.
Faster
d.
Lower
e.
Taller
|
A
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Medium
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15
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Calculating Speed
|
The speed of an object can be
calculated by deviding…..
a.
Time per distance
b.
Distance per time
c.
Velocity per time
d.
Acceleration per distanc
e.
Velocity per distance
|
B
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Easy
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16
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Insulation
|
The materials act to cover the copper wires such as PVC known as….
a. Fuse
b. Insulation
c. Live
wire
d. Earh
wire
e. Neutral
wire
|
B
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Easy
|
|
17
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Fuse
|
Making appliances safer to use and protect the user if a fault should
develop is are function of…..
a.
Fuse
b.
Insulation
c.
Live wire
d.
Earh wire
e.
Neutral wire
|
A
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Medium
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18
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Fuse
|
The fuse required for a lawnmower that has a 200 W rating and is
connected to the 20 V mains would be…….
a. 30
A
b. 20
A
c. 10
A
d. 5
A
e. 1
A
|
C
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Medium
|
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19
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Electromagnetic induction
|
The first person to generate electricity from a magnetic is…..
a. Oersted
b. Coloumb
c. Faraday
d. Millikan
e. Galiloe
|
C
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Difficult
|
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20
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Transformer
|
A transformer has the input voltage is 220 V and the number of turns
on the primary coil is 2000 and the number of turns on the secondary coil is 100. The output
voltage of transformer is……..
a. 11
V
b. 22
V
c. 33
V
d. 44
V
e. 55
V
|
A
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Difficult
|
|
21
|
transformer
|
A transformer has the input voltage is 220 V and the number of turns
on the primary coil is 2000 and the number of turns on the secondary coil is 500. Current on
the primary coil is 0,25 A. The transformer is perpectly efficient. The
output voltage of transformer is……..
a. 66
V
b. 55
V
c. 44
v
d. 33
V
e. 22
V
|
B
|
Difficult
|
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22
|
Transformer
|
A transformer has the input voltage is 220 V and the number of turns
on the primary coil is 2000 and the number of turns on the secondary coil is 500. Current on
the primary coil is 0,25 A. The transformer is perpectly efficient. The
the electrical power on secondary coil is……..
a. 66
W
b. 55
W
c. 44
W
d. 33
W
e. 22
W
|
A
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Difficult
|
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23
|
Transformer
|
A transformer has the input voltage is 220 V and the number of turns
on the primary coil is 2000 and the number of turns on the secondary coil is 500. Current on
the primary coil is 0,25 A. The transformer is perpectly efficient. The
the current on secondary
coil is……..
a. 5
A
b. 4
A
c. 3
A
d. 2
A
e. 1
A
|
E
|
Difficult
|
|
24
|
Atomic model
|
All elements are made up from……..
a. Atoms
b. Material
c. Matter
d. Waves
e. Mass
|
A
|
Easy
|
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25
|
Atomic model
|
The nucleus is made of……..
a. electron
and proton
b. proton
and neutron
c. neutron
and electron
d. electron
e. proton
|
B
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Easy
|
|
Num
|
Topic
|
Question
|
Answer key
|
Level of Difficulty
|
|
1
|
Fuse
|
The fuse required for a lawnmower that has a 400 W rating and is
connected to the 20 V mains would be…….
|
20 A
|
Medium
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2
|
Circuit breakers
|
The term “ a costumer unit” in all house with main electricity uses
to……….
|
To take all of the electricity for the house and send it to the
different rooms.
|
Difficult
|
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3
|
Dynamos
|
The frequency of the electricity in dynamos depends on……..
|
How fast the dynamos is spinning
|
Medium
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4
|
transformer
|
The of step-up transformer is………
|
To increases the voltage
|
Medium
|
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5
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The nucleus
|
The total number of protons and neutrons is called…
|
Nucleon number
|
|
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6
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neutrons
|
In 1932, a british scientist had found the neutron particle by…..
|
James chadwik
|
Medium
|
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7
|
Electromagnetic induction
|
A changing magnetic force can induce electric current in a wire known as……
|
Electromagnetic induction
|
Easy
|
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8
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Fuse
|
A special wire that protects an electric circuit. If the current gets
too large, its melts and stops the current, know as……..
|
fuse
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Medium
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9
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Induction
|
When something is affected without touching it, known as…..
|
Induction
|
Easy
|
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10
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insulators
|
Substance that donot conduct electricity ,known as……
|
insulators
|
Medium
|
|
Num
|
Topic
|
Question
|
Answer key
|
Level of Difficulty
|
|
1
|
Forces
|
Write down the effects of forces?
|
Can Change the speed of an
object
Can change the direction of movement of an object
Can change the shape of an object
|
Medium
|
|
2
|
Transformer
|
A transformer has the output voltage is 220 V and the number of turns
on the primary coil is 75 and the number of turns on the secondary coil is 300. Calculate
voltage on primary coil !
|
Vp = 55 Volt
|
Medium
|
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3
|
transformer
|
A transformer has the output voltage is 220 V and the number of turns
on the primary coil is 200 and the number of turns on the secondary coil is 600. The current in primary coil is 1 A, and
transformer is perpectly efficient.
Calculate voltage on primary coil , the electrical power and
the current in secondary coil
|
Vp = 440 V
Pp
= VP Ip = 440 V
x 1 A
= 440 watt
Vp
Ip = Vs Is
Is = 440 1 / 220
= 2 A
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Difficult
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4
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Atomic
|
What are atom and matter
|
Matter is everything that has mass and occupies the space
Atom is the smallest part of a matter or material
|
Medium
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5
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Physics
|
Write down, the function of studing physics in your daily life.
Explain one example based on your
experience
|
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Easy
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