Physic 1 y9.Docx

8/13/2019 Physic 1 y9.Docx

1/21

EKHLASS INTERNATIONAL SCHOOL

LOT 4779, Taman Kijal Meraga

24100 Kijal, Kemaman,

Terengganu.

Malaysia

Name:

Date :

=====================================================================

=================

DO NOT OPEN THIS QUESTION PAPER UNTIL INSTRUCTED TO DO SO

1. This question paper ontains 20 printe! pages inlu!e! "ront o#er.

2. $ns%er all questions.

&. 'irle only one ans%er either $, (, ' or ).

4. This question paper must *e su*mitte! as soon as the time is o#er.

Paper MARKS

Paper 1 / 50

Paper 2 / 140

Carry marks / 10

TOTAL / 200

Percentage and Grade

SECON TERM EXAMINATION 2013PHYSICS YEAR 9

PAPER 1 URATION: 1 HOUR 15 MINUTES


2/21

Marks

EIS- 2nd

TERM EXAM 2013 PHSI!S YEAR 9 PAPER

1

_________________________________________________________________________________

SECOND TERM EXAMINATION 2013

PHYSICS YEAR 9 PAPER 1

Anser a!! "#est$%ns

1. A door requires a minimum moment of 32.5 N m to open it.

What is the minimum distance between the handle and the hinges if the door is to be pulled with a

force on the handle not greater than 5! N"

a. !.33 m b. !.#5 m

c. !.$$ m d. 1.54 m

2. A dri%er&s foot presses on a pedal in a car with a force of 2! N as shown.

With how much force is the spring pulled"

a. 2.5 N b. 1!! Nc. 1#! N d. '!! N

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

2


3/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

3. A non(uniform rod is balanced as shown. )i%en that the centre of gra%it* of the rod is 14.!

cm from the end mar+ed A what is the mass of the rod"

a. 4! g b. 1!! g

c. 1!!! g d. 114! g

4. Which of the following diagrams shows a sphere in stable equilibrium"

a. b.

c. d.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

&


4/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

5. ,igure below shows the cross(section of four solid ob-ects. Which ob-ect is most stable"

a.b.

c.

d.

#. ,igure below shows a non(uniform tree trun+ of weight 1!!! N resting horiontall* on two

supports at / and 0. he centre of mass of the tree trun+ is at . what downward force

must be applied at to lift the three trun+ -ust clear of the support at 0"

a. 5!! N b. $5! N

c. 1 !!! N d. 12 5! N

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

4


5/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

$. ,igure below shows an irregular(shaped ob-ect cut out from an aluminium sheet of uniform

thic+ness. t hangs freel* from a nail at position . An iron bloc+ is attached to the

aluminium sheets as shown below. Which position is most li+el* to be the centre of gra%it*

of the aluminium sheet and iron bloc+ setup.

'. wo egg(shaped ob-ects and 6 ha%e plastic shells and a piece of lead embedded inside

at different positions as below. 7oth ob-ects are in a state of equilibrium.

Which of the following correctl* describes the t*pes of equilibrium for ob-ects and 6"

Object X Object Y

a. 0table 8nstable

b. 0table Neutral

c. 8nstable 0tabled. 8nstable Neutral

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

-


6/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

9. ,igure below shows the side %iew of a roller coaster trac+. he car is released from position .

Which of the following statements is : are true"

i. he total energ* is the same at each of the three positions shown.

ii. he +inetic energ* of the car is greater at / than at .

iii. he gra%itational potential energ* of the car is greater at than at .

a. i onl* b. i and ii

c. i and iii d. i ii and iii

1!. A bo* drops a ball from a height as shown in figure below. gnoring the effects of air

resistance the total energ* is;..

a. )reatest at point 1. b. )reatest at point 2.

c. )reatest at point 3. d. he same at all points.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++


7/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

11. A bo< is pushed 1! m along a horiontal surface b* a force of 'N. he frictional force

opposing the motion is #N as below figure. =ow much of the wor+ done is con%erted to

thermal energ* and +inetic energ* of the bo< respecti%el*"

Thermal energy / J Kinetic energy / Ja. 2! #!

b. #! 2!

c. #! '!

d. #! 14!

12. ,igure below shows two cubes both made of the same material but ha%e different sies. he

large cube has sides that are twice as long as the small. 0tanding on one side the small cube

e where ais the area of the face. =ow much pressure is e


8/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

13. n figure below a manometer filled with water is connected to a gas suppl*.

,rom abo%e figure what is the pressure of the gas"

a. ' cm of water more than atmospheric pressure.

b. 12 cm of water more than atmospheric pressure.

c. ' cm of water less than atmospheric pressure.d. 12 cm of water less than atmospheric pressure.

14. ,igure below shows a simple mercur* barometer. he height of the mercur* column is h.

which of the following will cause hto change"

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

/


9/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

?%aporation of mercur* from the mercur* reser%oir.

@hanges in the gra%itational field strength.

eplacing mercur* with water.

a. onl* b. and

c. and d. and

15. ,igure below shows a bo< of mass 4! +g being pushed up a 2.! m inclined plane. What is the

wor+ done b* the 25! N force when the bo< reaches the top of the inclined plane which is 1.!

m abo%e the ground"

a. 25! - b. 5!! -

c. 4!! - d. $5! -

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

9


10/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

1#. When a spring is compressed what form of energ* does it possess"

a. otential b. =eat

c. inetic d. 0ound

1$. A bric+ of mass !.' +g is accidentall* dropped from a high scaffolding. t reaches the

ground with a +inetic energ* of 24! B. how high is the scaffolding"

C a+e acceleration due to gra%it* g to be 1! ms (2D

a. 19 m b. 192 m

c. 3!! m d. 3! m

1'. n an emergenc* a car screeched to a stop to a%oid colliding with a %an that had stopped

suddenl* in front of it. What was the energ* change in%ol%ed in this process"

a. inetic energ* is con%erted to sound energ* onl*.

b. inetic energ* is con%erted to heat and sound energ*.

c. otential energ* is con%erted to heat sound and +inetic energ*.

d. inetic and potential energ* are con%erted to heat and sound energ*.

19. A machine is able to lift 2!! +g of bric+s %erticall* up to a height of 3! m abo%e the ground

in 5! s. what is the power of the machine"

a. !.12 +W b. 1.2 +W

c. #.! +W d. 3!! +W

2!. he atmospheric pressure is 1!! +a. What is the force e


11/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

22. What is the height of a column of turpentine that would e


12/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

a. he pressure of gas is greater than that of gas 6 b* 5 mm =g.

b. he pressure of gas is greater than that of gas 6 b* 2! mm =g.

c. he pressure of gas is less than that of gas 6 b* 5 mm =g.

d. he pressure of gas is less than that of gas 6 b* 29 mm =g.

24. n a gi%en thermometer an e.m.f. of 4.# mF is generated when -unction 6 is in

boiling water. f 6 is now placed in boiling liquid at 3!!!

@ what would be the e.m.f.generated"

a. 13 mF

b. 13.' mF

c. 13 F

d. 13.' F

25. A thermocouple thermometer is calibrated at !!@ and 1!!!@. he results are shown in

below.

Temperature / 00C ! 1!!

Thermocouple output / mV ! 22

@alculate the recorded temperature when the output of the thermocouple is 1' mF.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

12


13/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

a. !!@

b. 22!@

c. 1!!!@

d. '2!@

2#. ,igure below shows a h*draulic press. he small piston and the large piston ha%e areas of

2! cm2and 3!! cm2respecti%el*. A student applies a force of 12! N on the small piston to

lift a load placed on the large piston. @alculate the pressure e


14/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

a. 1!4! a b. 1!!4 a

c. 14!! a d. 1!44 a

2'. n the setting up of a temperature scale one of the essential requirements is a thermometricsubstance which ...............

a. emains gaseous o%er the entire range of temperature to be measure.

b. =as a propert* that must %ar* linearl* with temperature.

c. =as a propert* that need not %ar* linearl* but continuousl* with temperature.

d. e


15/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

32. he general equation of defining the centigrade scale of temperature is where

is a gi%en thermometric propert*. Which of the following statements is false"

a. 8sing a mercur*(in(glass thermometer is the %olume of the mercur* thread.

b. 8sing a thermocouple thermometer !is the e.m.f. generated at ice point.

c. he equation is necessar* to di%ide the temperature range proportionall* with the

ph*sical propert* used in the calibration of a thermometer.

d. he equation adopts 1!! degrees as steam point and ! degrees as ice point.

33. he resistance of a piece of platinum wire in melting ice and boiling water are '!! K

and 91! "respecti%el*. What is the temperature reading in degrees centigrade when

the resistance has a %alue of 1!!! K.

a. 55!

@ b. 11!!

@c. 1'2 !@ d. 222 !@

34. he length of a mercur* thread is 2 cm when immersed in pure melting ice and 3! cm

when placed in a liquid of temperature 25!@. What is the length of the mercur* thread

at steam point"

a. 144 mm b. 114 cmc. 144 cm d. 114 mm

35. n figure below a uniform wooden plan+ is pi%oted at its midpoint. An ob-ect is then

placed on the plan+.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1-


16/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

Which force will enable the s*stem to be re(balanced"

a. 2! N acting downwards 4! cm to the right of the midpoint.

b. 2! N acting upwards 4! cm to the left of the midpoint.

c. 5! N acting downwards 1! cm to the right of the midpoint.

d. 5! N acting upwards 1! cm to the left of the midpoint.

3#. ,igure below shows the same %ertical force of 2!! N e


17/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

@alculate the force , needed to +eep the leg in a horiontal position.

a. 4! N b. 4 N

c. 4!! N d. 44 N

3'. A hea%* uniform plan+ of length 3.! m is supported b* two forces ,1at !.25 m from

one end and ,2at !.5! m from the other end as shown in figure below. @alculate the

ratio of

a. !.' b. '!

c. ' d. ''

39. While riding in a rollercoaster passengers in a car are initiall* at rest at the top of the trac+.

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

17


18/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

he rollercoaster then tra%els down and round a circular loop in the trac+

What t*pe of energ* is possessed b* the car and passengers at point and 6"C ? is inetic energ* ? is gra%itational potential energ* D

X Y

a. ? onl* ? onl*

b. ? onl* ? onl*

c. ? onl* ? and ?

d. ? onl* ? and ?

4!. A bo< is pushed 1! m along a horiontal surface b* a force of 'N. he frictional forceopposing the motion is #N as below figure. =ow much of the wor+ done is con%erted to

thermal energ* and +inetic energ* of the bo< respecti%el*"

Thermal energy / J Kinetic energy / J

a. 2! #!

b. #! 2!

c. #! '!

d. #! 14!

41. ,igure below shows a bo< of mass 2 +g initiall* at rest being pulled up a smooth slope b* a

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1/


19/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

2# N applied force. f the distance mo%ed is 4 m along the slope and the speed of the bo< at

that instant is ' m s(1 calculate the wor+ done b* the 2# N forces.

a. 1!4 B b. 14! B

c. 144 B d. 114 B

42. A dam situated #!! m abo%e a h*droelectric power station is able to suppl* 4.!! < 1!3+g s(1

of water to dri%e the generators. Assuming the power station is 1!!L efficient what is the

amount of electrical power generated"

a. 24 GW b. 22 GW

c. 42 GW d. 44 GW

43. ,igure below shows a mercur* manometer connected to a large %essel containing neon

gas. )i%en that the atmospheric pressure is $#! mm =g calculate the pressure of the neon

gas below.

a. '#! mm =g b. '!# mm =g

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

19


20/21

Marks

EIS- 2nd


1

_________________________________________________________________________________

c. '## mm =g d. #!' mm =g

44. ,igure below shows a mercur* manometer connected to a large %essel containing neon

gas. )i%en that the atmospheric pressure is $#! mm =g calculate the pressure of the neongas below.

a. $1! mm =g b. $$! mm =g

c. $!1 mm =g d. $11 mm =g

Question 4! 4" an# 4$ base# on #iagram belo%&

A 7 @

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

20


21/21

EIS- 2nd


1

_________________________________________________________________________________

45. 7ase on the three @ases of equilibrium which figure shows the cone is in unstable

equilibrium because of tilted slightl* it topples o%er.

4#. he cone is in neutral equilibrium because of if it is slightl* displaced or rolled it will sta*in its new position.

4$. n figure A or 7 or @ the cone is in stable equilibrium because if it is tilted slightl* it

returns to its original position without toppling.

4'. A filament bulb rate at 4! W con%erts 1!L of its electrical energ* suppl* into light energ*.

@alculate the quantit* of light energ* emitted in fi%e minutes.

a. 1.2 +B b. 1.2 B

c. 2.1 +B d. 2.1 -

49. The upthrust on an object immersed in a fluid is equal to the weight of the fluid displaced bythe object.

Who are the )ree+ scientists stated an abo%e principle.

a. Gendelee% b. Archimedes

c. Htto %on )ueric+e d. Anders

5!. A +ettle iron containing water at 3! !@ is heated to 1!! !@. ,ind the change intemperature in !@ and .

0C K

a. $! $!

b. $ $

c. $!! $!

d. $! $!!

&nd %' papers

+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Documents

Physic 1 y9.Docx