CHILDREN AND YOUTH DEVELOPMENT INITIATIVE CENTRE (CYDIC) TEGETA KIBAONI Along Wazo Road, P.O.Box 66789 DSM; Tel: +255 659 665 724, FORM TWO JUNE TUITION PROGRAM PHYSICS
CHILDREN AND YOUTH DEVELOPMENT INITIATIVE CENTRE (CYDIC)
TEGETA KIBAONI
Along Wazo Road, P.O.Box 66789 DSM;
Tel: +255 659 665 724,
FORM TWO JUNE
TUITION PROGRAM
PHYSICS
TIME: 2:30 HRS DATE: 14th JUNE, 2017
INSTRUCTIONS:
1.
This paper consists of three (3) sections A, B and C.
2.
Answer ALL
questions in sections A, B and C.
3.
Use black or blue pen, draw in pencil.
4.
Whenever necessary use the following constants;
Acceleration due to gravity, g
= 10N/kg.
Density of water = 1000kg/m3
or 1g/cm3.
SECTION A: (20
marks)
1.
Answer all questions in this section by writing
the letter of the correct answer beside the question number in the table below.
(i)
The accuracy of meter ruler is
A.
1mm
B.
0.01mm
C.
0.02mm
D.
0.5mm
(ii)
The S.I units of the basic fundamental
quantities we have to measure in mechanics are
A.
Newton, Watt and Joule
B.
Newton, Kilogram and Second
C.
Kilogram, Metre and Second
D.
Newton, Metre and Second
(iii)
One of the following is NOT a pair of forces
A.
Attraction and repulsion
B.
Gravity and diffusion
C.
Torsion and gravity
D.
Upthrust and weight
(iv)
A chemical engineer who want to know the degree
of hotness of the liquid to be used in the
chemical
process should measure its:
A.
Density
B.
Heat energy supplied
C.
Temperature
D.
Volume and hotnes
(v)
The force that causes twisting of an elastic
material is called
A.
Restoring force
B.
Tortional force
C.
Torsional force
D.
Compressional
or stretching force.
(vi)
When a body floats on liquid, its
A.
Weight is greater than the upthrust
B.
Weight is equal to the upthrust
C.
Weight is less than the upthrust
D.
Volume is greater than the volume of liquid
displaced.
(vii)
Potential energy and kinetic energy are similar
because
A.
Both produce heat
B.
Both are measure in watt
C.
One is a substitute of the other
D.
Both are forms of mechanical energy.
(viii)
A force exerted by a pressure of 20N/m2
acting over an are 2m2 is
A.
10N
B.
18N
C.
22N
D.
40N
(ix)
A
potential difference of 24 volts is applied across a resistor of resistance
12ohms. The
current flowing
in the circuit is:
A.
0.5 Amps
B.
1.5 Amps
C.
2.0 Amps
D.
2.5 Amps
(x)
Pond skaters and mosquitoes are able to walk on
the surface of water because of the:
A.
Upthrust
B.
Plasticity on the surface
C.
Surface tension of water
D.
Water mass.
(xi)
An
ammeter is an instrument for measuring
A.
Length
B.
Resistance
C.
Capacitance
D.
Current
(xii)
A piece of metal of volume 0.24cm3
and mass 0.72g has a relative density
(R.D) of
A.
3.0g/cm3
B.
3.0
C.
3.0kgm3
D.
0.3
(xiii)
The presence of positive and negative charge in
a body can be detected by using
A.
Voltmeter
B.
Leaf electroscope
C.
Hydrometer
D.
Compass
(xiv)
A body which sinks in water has its density
A.
Less than that of water
B.
Large than that of water
C.
Equal to that of water
D.
Less or equal to that of water.
(xv)
The S.I unit of density is
A.
g/m3
B.
kg/m3
C.
g/cm3
D.
kg/cm3
(xvi)
An instrument which is used to observe
objects around obstacles is called
A.
Plane glass
B.
Telescope
C.
Periscope
D.
Microscope
(xvii)
The process whereby materials recover their
original length after removing the loads is know as
A.
Plasticity
B.
Deformcity
C.
Elastic limit
D.
Elasticity
(xviii)
When charging a body by rubbing with either fur
or silk the particles which are transferred are
A.
Protons and electrons
B.
Protons
C.
Electrons
D.
Nuclei
(xix)
The molecules of water and those of a glass will
attract each other by a force known as
A.
Adhesion
B.
Cohesion
C.
Viscosity
D.
Osmotic pressure.
(xx)
Measurement in physics is
A.
Calculation
B.
Beam balance
C.
Spring balance
D.
The process of assigning numbers to observation
and events.
i
|
ii
|
iii
|
iv
|
v
|
vi
|
vii
|
viii
|
ix
|
x
|
xi
|
xii
|
xiii
|
xiv
|
xv
|
xvi
|
xvii
|
xviii
|
xix
|
xx
|
SECTION B (40 Marks)
2.
Match each item in list A with a response in
list B by writing its letter below the number of the corresponding item in the
table provided.
LIST A
(i)
Force
of attraction between the earth and a body
(ii)
Force
of attraction between molecules of different substances
(iii)
Has no
unit
(iv)
Measured in ohms
(v)
Apparent
loss in weight
(vi)
Attractive
force between molecules of the same substance
(vii)
Oil
and grease
(viii)
Solid changing to vapour directly
(ix)
Translucent object
(x)
Insulator
LIST B
A. Any
material which does not allow passage of electricity or heat.
B. Allow
light to pass through but human eye can not see through it.
C. Object
that reflects all light falling on it.
D. Sublimation.
E. Evaporation
.
F. Lubricants.
G. Liquids.
H. Adhesive
force.
I.
Cohesive force.
J.
Upthrust.
K. Real
weight.
L. Current.
M. Resistance.
N. Relative
density.
O. Force
of gravity.
i
|
ii
|
iii
|
iv
|
v
|
vi
|
vii
|
viii
|
ix
|
x
|
3.
Fill in the blanks
Name the following electrical
symbols below
(i)
_____________________
_____________________
(ii)
|
_____________________
(iii)
_____________________
_____________________
(iv)
______________________
______________________ |
|
(v)
______________________
______________________
4.
The S.I unit of capacitance _______________________________________
(a) Capacitance
of capacitor depends on ________________ , ________________ and _________
(b) Charge
distribution on a conductor is mostly concentrated at
___________________________
5.
A glass rod rubbed with ______________________ becomes
______________________ charged.
(a) Give
three application of leaf electroscope
(i)
_____________________________________________________________________
(ii)
_____________________________________________________________________
(iii)
______________________________________________________________________
6.
Work is
_________________________________________________________________________
its SI unit is
______________________________________________________________________
(a) Two
requirements for an activity to have done a work
(i)
______________________________________________________________________
(ii)
______________________________________________________________________
(b) Give
two examples showing that a work has bee done.
(i)
______________________________________________________________________
(ii)
______________________________________________________________________
SECTION C (40 marks)
7.
(a) Distinguish
between density and relative density.
(b) State three applications of relative density and density in real
life.
(c) A rectangular block of metal measuring 16cm x 10cm x 4cm has mass
of 1760g. What will be
the mass of block of same metal
measuring 12cm x 8cm x 2cm?
8.
(a) Define
the term pressure and state its SI unit.
(b) Explain
why the pressure on a floor from heel of a woman’s shoes can be greater than
the pressure from an elephant's foot.
(c) A
glass slab of density 2500kg/m3 measures 20cm x 10cm x 50cm. What is
(i)
Maximum and
(ii)
Minimum pressure it exerts on a flat horizontal
surface.
9.
(a) What
is a capacitor?
(b) Distinguish between conductors and insulators.
(c) State three methods of charging a body.
(d) Draw a well labeled diagram of gold-leaf electroscope.
10.
(a) State
ohm’s law and its proper formula
(b) Draw an electric circuit showing proper
arrangement of ammeter (A), Voltmeter (V), battery of two cells, a fixed resistor
(R), and on open switch (s). Show the direction of flow of current(1)
(C) Calculate the amount of voltage required to
drive a current of 2A through a resistor of 20Ω
