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WorksheetsPre Mid Year Examination F4 2020
Total questions: 40
Worksheet time: 6hrs 1mins
Which pair of physics quantity and SI unit is correct?
Pasangan kuantiti fizik dan unit SI manakah yang betul?
Physics Quantity : Weight
SI Unit : Kilogram
Physics Quantity : Power
SI Unit : Joule
Physics Quantity : Force
SI Unit : Newton
Physics Quantity : Pressure
SI Unit : Watt
Diagram 1 shows a rule is used to measure the internal diameter of a pipe.
Rajah 1 menunjukkan sebatang pembaris digunakan untuk mengukur diameter dalam sebatang paip.
1.6 cm
1.8 cm
2.0 cm
2.6 cm
Diagram 2 shows a graph relating two physical quantities, H and K.
Rajah 2 menunjukkan satu graf yang menghubungkait dua kuantiti fizik, H dan K.
Which statement is correct?
Pernyataan manakah benar?
H directly proportional to K
H berkadar terus dengan K
K is the constant variable
K ialah pembolehubah dimalarkan
H is the manipulated variable
H ialah pembolehubah dimanipulasi
H decreases linearly with K
H berkurang secara linear dengan K
Diagram 3 shows a wooden block with measurement of 20 mm × 12.5 cm × 0.3 m.
Rajah 3 menunjukkan sebuah blok kayu dengan ukuran 20 mm × 12.5 cm × 0.3 m.
What is the volume of the box in m3?
Berapakah isipadu kotak itu dalam m3?
7.5 × 10-6 m3
7.5 × 10-4 m3
7.5 × 102 m3
7.5 × 104 m3
Density of mercury is 13600 kg m-3 which is equivalent to
Ketumpatan merkuri, 13600 kg m-3 adalah setara dengan
1.36 × 101 g cm-3
1.36 × 10-1 g cm-3
1.36 × 10-2 g cm-3
1.36 × 10-3 g cm-3
Which quantity is a vector quantity?
Kuantiti manakah ialah kuantiti vektor?
Length
Panjang
Velocity
Halaju
Volume
Isipadu
Density
Ketumpatan
Diagram 2 shows a graph relating two physical quantities, P and K.
Rajah 2 menunjukkan satu graf yang menghudungkait dua kuantiti fizik, P dan K.
P is the manipulated variable
P ialah pembolehubah dimanipulasi
K is the constant variable
K ialah pembolehubah dimalarkan
P deceases linearly with K
P berkurang secara linear dengan K
P is directly proportional to K
P berkadar terus dengan K
"Physical quantity is only coplete when information about magnitude and direction is known"
The statement above refers to
vector quantity
scalar quantity
derived quantity
base quantity
Which of the statement shows the main usage of the graph in scientific research?
To identify and control the variables
To summarize the presentation of scientific research that has a lot of numbers
To show the relationship between physical quantities in research through visualisation
To extrapolate the quantity value that is outside the reading range of experimental measurement
Which group consists of only scalar quantities
Time, Distance, Work, Earth Mass
Speed, Weight, Volume, Refractive Index
Force, Velocity, Impulse, Initial momentum
Area, Energy, Displacement, Optical Density
Diagram 4 shows a bicycle moving up a hill. The bicycle decelerate as it moves up the hill and accelerates as it moves down the hill. Which of the following graphs shows the correct relationship between velocity, v of the bicycle and the time, t of the motion?
1
2
3
4
Diagram 5 shows a man jumps onto a jetty from a boat
Which direction A, B, C or D shows the motion of the boat?
A
B
C
D
Diagram 8 shows a driver is trying to stop the car immediately.
The safety belt is designed to
reduce the momentum
increase the impulsive force
reduce the effect of inertia during emergency stop
turn the kinetic energy into gravitational potential energy
Diagram 9 shows four cubes made from four different types of material dropped from a tall bench.
Which cubes have the same acceleration?
Lead and glass
Plumbum and balsa wood
Glass, rubber and lead only
Lead, rubber, glass and balsa wood
Which of the following factors affect the inertia of an object?
Density
Velocity
Mass
Impulse
A coconut takes 2.12 s to fall from the tree to the ground (g earth = 9.81 ms-2)
What is the height of the coconut tree
11.02 m
22.05 m
24.08 m
44.09 m
Diagram 3 shows a strip of ticker tape. Which statement describes the motion shown by the ticker tape?
Acceleration
Deceleration
Acceleration followed by uniform velocity
Uniform velocity followed by deceleration
Which of the following is NOT TRUE of a moving body at a uniform velocity
The body is moving in a straight line
The body has a uniform momentum
There is no external force acting on the body
The resultant forces acting on a body is zero
Figure 25 shows the chili sauce can be easily poured out if the bottle is moved fast downwards and stopped abruptly. What is the cause in the above situation
Mass of chili sauce
The inertia of chili sauce
The gravitational pull of chili sauce
Air resistance against chili sauce
Which property of a body remains unchanged if a force is applied to it?
Size
Mass
Shape
Velocity
Which statement is correct about the earth's gravitational force?
The earth's gravitational force acting towards the centre of the earth is uniform
The earth's gravitational force becomes stronger when an object is further away from the centre of the earth
The earth's gravitational force causes objects to fall with an acceleration that is inversely proportional to the square of their distances from the centre of the earth
The earth's gravitational force can only affect some of the objects on the earth's surface
Why does the Moon stay in its orbit at a constant distance from the earth?
The earth's gravitational pull on the Moon is negligible at large distance
The earth's gravitational pull on the Moon balances the Moon's gravitational pull on the earth
The earth's gravitational pull on the Moon provides the weight of the Moon
The earth's gravitational pull on the Moon provides the centripetal force that keeps the Moon moving in circular orbit around the earth
Satellite J has twice the mass of Satellite K, and revolves in the same orbit as K. The linear speed of satellite K is
1/4 of linear speed of J
1/2 of the linear speed of J
equal to the linear speed of J
4 times the linear speed of J
Two moons were found to be orbiting around planet Jupiter with the same period. Which physical quantity is the same for both moons?
Mass
Momentum
Radius of orbit
Kinetic energy
Which statement is incorrect about the characteristics of geostationary satellite?
It is always above the same point on the Earth surface
It has orbital period of 24 hours
It orbits above the equator
It revolves in an elliptical orbit around the earth
Which statement is correct about Kepler's Second Law
The orbit of a planet around the Sun is an ellipse, with the Sun at one focus
The semi major axis is equal to the planet's average distance from the sun
The squares of the orbital period is directly proportional to the cubes of the planet's average distance from the Sun
A line drawn from a planet to the Sun sweeps over equal areas in equal time intervals
The orbital speed of the comet in its orbit
is constant
decreases when it nears the sun
is zero at two extreme points in its path
increases when it nears the Sun
What is the reason for the motion of the Moon on its orbit
The gravitational force exerted on the earth by the moon
The gravitational force exerted by the sun
The gravitational force exerted by the planets
The gravitational force exerted on the Moon by the earth
The International Space Station (ISS) orbits the earth at the height of 410 km. What is the value of gravitational acceleration at the space station?
(Radius of the earth = 6.37 x 106 m, mass of earth = 6.0 x 1024 kg , 6.67 x 10-11 Nm2 kg-2)
7.55 ms-2
8.71 ms-2
9.86 ms-2
11.26 ms-2
A man-made satellite orbits around the earth at a height of 1620 km. What is the linear speed of the satellite?
(Mass of the earth = 5.97 X 1024 kg, radius of earth = 6.37 X 106 m , G = 6.67 x 10-11 Nm2 kg-2)
7.06 x 103 ms-1
15 x 103 ms-1
22.2 x 103 ms-1
1.0 x 104 ms-1
Copper has a higher specific heat capacity than lead. When heat is supplied at the same rate to two identical blocks of same mass, which of the following happens?
The lead block will get heated up faster
The lead block will expand faster than copper
The copper block will expand faster than lead block
The rate of temperature rise in the copper block is higher
Which of the following factors does not influence the rise in temperature of a substance?
Mass of the substance
Initial temperature of the substance
Specific heat capacity of the substance
Amount of heat supplied to the substance
Diagram 15 shows 200 g water with initial temperature 80 °C and 50 g water with initial temperature 30 °C.
What will happen to the final temperature when the water mixed together?
The temperature achieved 80 °C.
The temperature achieved less than 30 °C.
The temperature achieved more than 80 °C.
The temperature achieved thermal equilibrium
Water is used as cooling agent in cars engine because
Water evaporates easily
Water is not corrosive
Water has a high density
Water can absorb a lot of heat
Figure 1 shows a cold steel spoon in a cup of hot coffee. Which statement is correct when the spoon and coffee are at thermal equilibrium?
Temperature of the coffee is unchanged
Temperature of the spoon is unchanged
The coffee and spoon have the same temperature
No heat flow between the coffee and the spoon
Which change will increase the sensitivity of a mercury thermometer
Decrease the diameter of the capillary tube
Increase the diameter of the capillary tube
Decrease the length of the capillary tube
Increase the length of the capillary tube
Which of the following increases when a liquid becomes a gas at its boiling point?
Size of molecules
Average separation of the molecules
Total number of molecules
Average kinetic energy of molecules
The concept used in the measurement of body temperature using a mercury clinical thermometer is
Specific heat capacity
Thermal convection
Specific latent heat
Thermal equilibrium
Which action cannot increase the rate of evaporation of water from a dish?
Increase the surface area of the water
Increase the temperature of water
Add in more water in dish
Fan the air above the water surface
A cooking pan made of different materials. Which specific heat capacity value of material is suitable to make the parts of the cooking pan?
Handle : Low
Body : High
Base : High
Handle : High
Body : Low
Base : Low
Handle : Low
Body : High
Base : Low
Handle : High
Body : Low
Base : High
