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GERAK GEMPUR FIZIK KERTAS 1

Total questions: 50

Worksheet time: 45mins

Name
Class
Date
1.

1 Which of the following physical quantity is not a derive quantity?

Antara kuantiti fizik berikut, yang manakah bukan kuantiti terbitan?

a)

A Electric current Arus elektrik

b)

B Electric charge Cas elektrik

c)

C Weight Berat

d)

D Accelereation Pecutan

2.
Which statement uses SI unit prefixes correctly?
a)
100 cm = 10 km
b)
2.5 kg = 2500 cg
c)
1000 mL = 1 dL
d)
150 cm = 1.5 m
3.
When measuring the length of a paperclip, you would use what SI units?
a)
kilometers
b)
meters
c)
millimeters
d)
grams
4.

What is the reading on the vernier calipers?

a)

1.05 cm

b)

1.06 cm

c)

1.16 cm

d)

1.66 cm

5.

The reading of the micrometer is .............................

a)

12.40mm

b)

12.5mm

c)

12.04mm

6.
Which is true from Newton's Third law of motion?
a)
For every action force there is a smaller reaction force in the opposite direction.
b)
For every action force there is an equivalent reaction force in the opposite direction.
c)
 Both 1 and 2
d)
None of the above
7.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
8.
It takes more force to accelerate the iron man on the left than the iron man on the right because the iron man on the left has more mass. This best describes
a)
Newton's first law, the law of inertia
b)
Newton's second law, the law of acceleration
c)
Newton's third law, the law of action reaction 
d)
The law of universal gravitation
9.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
10.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the net force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
11.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
12.

Which statement about gravity is true?

a)

gravity causes objects to pull towards one another

b)

gravity causes objects to push away from each other

c)

gravity only takes place between planets

d)

the moon doesn't have any gravity

13.

Which of the following situations does not require large impulse force?

a)

A baseball competition

b)

A karate expert breaking a piece of plank with his bare hands

c)

A high jumper jumping across the pole onto a thick mattress

d)

A mother pounding chillies with a pestle

14.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

15.

An object will float on water if it is

a)

less dense than water.

b)

more dense than water.

c)

the same density as water.

16.
What pressure does a 4000N horse exert on the ground if each foot is 10cm2? (Remember to CONVERT the cm2 to m2)
a)
4000 N/m2
b)
10000 N/m2
c)
4000000 N/m2
d)
1000000 N/m2
17.
Car brakes and car jacks are examples of
a)
hydraulic systems
b)
archimedes' principle
c)
atmospheric pressure
d)
buoyancy
18.

specific latent heat of vaporisation is

a)

the amount of heat required to change 1 kg of the substance from the solid to liquid phase without change in temperature

b)

the amount of heat required to change 1 kg of the substance from the liquid to gaseous phase without change in temperature

c)

the amount of heat required to change the temperature 1 kg of the substance by 1 degree Celcius

19.

The graph shows the cooling curve of a substance. At which stages the specific latent heat released?

a)

AB and CD

b)

BC and DE

c)

AB and EF

d)

BC and CD

20.

Calculate the energy absorbed by 30 g of 100 ⁰C water that is turned into 100 ⁰C.

a)

67 800 J

b)

6 7800 J

c)

678 J

d)

67.8 J

21.
An image that you can see when you look into a mirror, but does not really exist is called which of the following?
a)
Real Image
b)
Fake Image
c)
Virtual Image
d)
Digital Image
22.
The following is a picture of what type of mirror? 
a)
Convex (diverging) mirror
b)
Concave (converging) mirror
c)
Plane Mirror
d)
Flat Mirror
23.
This is an example of a __________ mirror.
a)
Concave
b)
Convex
c)
Plane
d)
Magnifying
24.

What type of lens is used in the shown instrument?

a)

concave lens

b)

convex lens

c)

reflection lens

d)

reduction lens

25.
What is the frequency of this wave?
a)
3 Hertz
b)
4 Hertz
c)
5 Hertz
d)
6 Hertz
26.
When wavelength increases, what happens to the frequency?
a)
it increases
b)
it decreases
c)
it stays the same
27.
Longitudinal waves are ______.
a)
Parallel
b)
Perpendicular
c)
Crazy
28.

Two waves E and G are shown. The waves have the same speed.

Which statement is correct?

a)

Wave E has a greater amplitude than wave G.

b)

Wave E has a greater intensity than wave G.

c)

Wave E has a smaller frequency than wave G.

d)

Wave E has a smaller wavelength than wave G.

29.

A diffraction grating is used to measure the wavelength of monochromatic light, as shown in the diagram.

The spacing of the slits in the grating is 1.00 x10-6 m. The angle between the first order diffraction maxima is 70.0o.

What is the wavelength of the light?

a)

287 nm

b)

470 nm

c)

574 nm

d)

940 nm

30.

In a Young's double-slit experiment the centre of a bright fringe occurs wherever waves from the slits differ in the distance they travel by a multiple of:

a)

quarter of a wavelength.

b)

half a wavelength.

c)

a wavelength.

d)

three-fourths of a wavelength.

31.
The potential difference that causes charges to move in a circuit is ___.
a)
voltage
b)
resistance
c)
current
d)
electric discharge
32.

What is emf?

a)

the electro motive "force" or the force on electrons

b)

the electromotive "force" or the Voltage of a cell measured when there is no current flowing

c)

the electromotive "field" or the Voltage of a cell measured when there is no current

d)

the electromotive "force" or Voltage of a cell measured when connected to a circuit

33.

One dry cell with e.m.f value of 2V and internal resistance 1Ω is connected to one resistor 4Ω.

What is the current in the circuit?

a)

0.4A

b)

0.5A

c)

2.0A

d)

2.5A

34.

Potential difference is directly proportional to current flows in conductor under standard tempertaure and pressure.

This refer to

a)

Current

b)

Potential difference

c)

Resistance

d)

Ohm's Law

35.

Between wire S and T. Which has higher resistance?

a)

S

b)

T

36.

Current of 0.5 A flows through a bulb for 5 minutes. Calculate the number of electrical charge flows.

a)

1.5 C

b)

2.5 C

c)

15 C

d)

150 C

37.

Looking at the field lines in this picture, these two magnets are ________

a)

Attracting

b)

Repelling

c)

Attracting and Repelling

d)

Doing nothing

38.

What is a solenoid?

a)

A coil of wire with current flowing through it

b)

A type of bar magnet

c)

A single straight wire

d)

One loop of a wire

39.

What direction does the wire move?

a)

Up

b)

Down

c)

Left

d)

Right

40.

Using the right hand grip rule, A represents the direction of the

a)

current

b)

magnetic field

41.

Why might a current-carrying wire be placed between a magnetic field?

a)

To increase the current from the interaction of magnetic fields

b)

To increase the voltage from the interaction of magnetic fields

c)

To produce a force from the interaction of magnetic fields

42.

Which of the following does not influence the strentgh of electromagnet?

a)

Number of turns of wire

b)

Magnitude of current flow in the wire

c)

Type of core

d)

Material used for insulator of the wire

43.

Diagram above shows the apparatus used to set-up to observe the magnetic field due to a current in a coil.

a)
b)
c)
d)
44.

Figure shows two pulses on a CRO. The pulses are caused by two consecutive signals detected by a microphone connected to the CRO.


Calculate the time lapse between the signals if the timebase setting is 4 ms cm -1.

a)

1.208 second

b)

0.1208 second

c)

0.00208 second

d)

0.0208 second

45.

Diagram shows part of C.R.O. What is Q?

a)

Control grid

b)

Focusing anode

c)

Accelerating anode

d)

Cathode

46.

Diagram hows four diodes which are connected to form a rectifier.

Which wave pattern is produced on the C.R.O. screen on the diagram?

a)
b)
c)
d)
47.

Which logic gate represented by this symbol?

a)

OR

b)

NOR

c)

XOR

d)

NOT

48.
When does radioactive decay occur?
a)
When the nucleus of an isotope is unstable
b)
When the nucleus of an isotope is stable
c)
When the electrons of an isotope are spinning
d)
When the electrons of an isotope are shared with another isotope
49.

What is the number of neutrons in Cesium?

a)

55 neutrons

b)

76 neutrons

c)

84 neutrons

d)

106 neutrons

e)

139 neutrons

50.

Name the above reaction-

a)

Nuclear fission

b)

Nuclear fusion

c)

Nuclear reaction

d)

Radioactivity