Form 4 physics objective exam paper 1

SMJK PEREMPUAN PERAK, IPOH, PERAK.
PEPERIKSAAN PERTENGAHAN TAHUN 2021

PHYSICS (4531/1)
TINGKATAN 4

( Masa : 1 Jam 15 Minit )

Nama murid : __________________________( ) Kelas : 4 ___________________

Disediakan oleh : PN. EMELDA GRACE Markah: _______________________

Disemak oleh : _____________________________ Disahkan oleh :__________________
PN. YAU BEED WAH CIK HEW FOONG LIAN
(PK Pentadbiran)
(Ketua Bidang Sains dan Matematik)

This paper has 5 printed pages.
(40 marks)

Instructions:

Each question is followed by four alternative answers, A, B, C and D. Choose one correct answer for each
question.

1. Physical quantity consist of _________ quantities and ___________ quantities.

A. constant, fixed B. base, derived C. initial, final D. S.I., imperial

2. Which of the following quantities is a derived quantity?

A. Force B. Temperature C. Current D. Time

3. The tan, pound, and stone are imperial quantities used from ancient times until now. What is the base
quantity used to replace these imperial quantities?

A. Distance B. Temperature C. Mass D. Current

4. Which of the following physical quantities is a base quantity?

A. Force B. Energy C. Pressure D. Current

5. Which of the following quantities is not a scalar quantity?

A. Force B. Speed C. Time D. Distance

6. S.I. unit for velocity is

A. cm s-1 B. km/hour C. m s-1 D. km s-1

7. Which pair has two vector quantities? C. Speed and force
D. Velocity and weight
A. Acceleration and distance
B. Displacement and mass

8. Which of the following is not a derived quantity?

A. Mass B. Charge C. Power D. Acceleration

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9. Physical quantity is only complete when information about magnitude and direction is known.

The statement above refers to

A. vector quantity B. scalar quantity C. derived quantity D. base quantity

10. Which of the S.I. unit for each quantity is incorrect?

Quantity S.I. unit
A. Thermodynamic temperature Celsius
B. Electric current Ampere
C. Luminous intensity Candela
D. Amount of substance
mol

11. Which of the following physical quantity is made up of vector quantity only?

A. Time, mass, luminous intensity C. Work, power, amount of substance
B. Velocity, momentum, impulsive force D. Force, frequency, electric charge

12. Which of the following graph shows the relationship between physical quantity of P and V that
increases non-linearly?

13. All derived quantities can be described in terms of base quantities and S.I. unit through
operations of

A. Addition and subtraction C. Multiplication and division
B. Addition or subtraction D. Addition, subtraction, multiplication and division

14. Which of the following statement shows the main usage of the graph in scientific research?

A. To identify and control the variables
B. To summarize the presentation of scientific research that has a lot of numbers
C. To show the relationship between physical quantities in research through visualization
D. To extrapolate the quantity value that is outside the reading range of experimental measurement

15. Which of the following is most appropriate to justify the difference between the experimental
gravitational acceleration value g and standard g value in simple pendulum experiment?

A. The experimental data obtained is incorrect.
B. The gravitational acceleration value g changes from one place to another.
C. The number of complete oscillations taken for period measurement is insufficient.
D. The equation T and L used to calculate g value is only valid for small oscillating amplitude.

16. Hypothesis is a statement that is ________________.
A. true B. false C. according to the theory D. possibly true and possibly wrong

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17. Line graph is one of ______________ method.

A. recoding data B. identifying problems C. analyzing data D. conclusion

18. The unit of a physical quantity obtained from the gradient of

A. the same way as the unit of the x-axis C. unit of y-axis divides the unit of x-axis
B. the same way as the unit of y-axis D. unit of x-axis divides the unit of y-axis

19. The figures below are two line graphs showing the relationship between two variables. Which of
the following is true about the graphs?

A. Graph A shows y is inversely proportional to x, while graph B shows y decreases linearly with x.
B. Graph A shows y decreases linearly with x, while graph B shows y is inversely proportional to x.
C. Graphs A and B shows, the greater the x the higher the y.
D. Graphs A and B shows, the greater the y the higher the x.

20. The follows are sentences to make an inference. Which of the following is a false sentence?

A. The inertia of an object depends on the mass of the object.
B. The bigger the mass of an object, the bigger the inertia.
C. The period of oscillation of the pendulum depends on the ass of the weight.
D. The extension of the spring depends on the mass of the weight.

21. Solehah was playing a cradle in a park, she found that her cradle swinging slowly. What is the
thing that should she stated before commencing an investigation?

A. Inference B. Hypothesis C. Variables D. All of the above

22. There are several types of variables used to assist in an investigation. Which of the following
variables is not a variable?

A. Responding variable C. Constant variable
B. Manipulated variable D. The variable moves linearly

23. Which of the following graphs obey the equation = where m is a constant?


24. A bicycle accelerates at uniform rate from rest and reaches a velocity of 15 ms-1 for 5.0 s. What
is the acceleration of the bicycle?

A. -3 m s-2 B. 2.5 m s-2 C. 4 m s-2 D. 3 m s-2

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25. An object moves with initial velocity of 10 m s-1 accelerates uniformly until it reaches final
velocity of 20 m s-1 within 10 seconds. Calculate the distance travelled by the object.

A. 120 m B. 115 m C. 150 m D. 155 m

26. The figure shows the speed-time graph for a sky driver. He falls freely from an aircraft, then
opens a parachute and later lands safely on the ground. At which point did the parachute fully open?

27. The graph shows the relationship between v and t.

The relationship between v and t is represented by the equation

A. v = t + 3 B. v = t + 1 C. v = - t + 3 D. v = - t + 1

28. An object falls in vacuum. Which row describes the acceleration and the velocity of the object?

Acceleration Velocity
A. Constant Constant
B. Constant Increasing
C. Increasing Constant
D. Increasing Increasing

29. Which of the statement is correct about a body experiencing free fall? D. Increasing weight
A. Increasing velocity B. Increasing acceleration C. Constant velocity

30. “A heavy truck difficult to start moving and difficult to stop”. This statement is referred to

A. the concept of force equilibrium C. the principle of conservation of momentum
B. the concept of inertia D. the principle of conservation of energy

31. The following figure shows a moving school bus with uniform velocity.

If the mass of the bus is 6000 kg, what is the momentum of the bus?

A. 60 000 kg m s-1 B. 120 000 kg m s-1 C. 180 000 kg m s-1 D. 200 000 kg m s-1

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32. A bullet is shot from a handgun. Which of the following statements is true?

A. The momentum of the bullet is the same as the momentum of the handgun.
B. The direction of the momentum of the bullet and the handgun are the same.
C. The bullet has smaller momentum than the handgun.
D. The handgun has smaller momentum than the bullet.

33. Which of the following is not true about elastic collision?

A. Objects move in together after the collision.
B. The momentum of the objects is conserved.
C. The kinetic energy before and after the collision is conserved.
D. Objects move separately after the collision.

34. What is the use of rollers on a roller skate? C. to reduce magnetic force
D. to reduce electric force
A. to reduce gravitational force
B. to reduce fractional force

35. A force is applied to a rolling ball in the same direction as its motion. What is the possible effect of the
force?

A. Slows down the rolling ball. C. Stops the rolling ball.
B. Speeds up the rolling ball. D. Changes the direction of the rolling ball.

36. A car accelerating with a resistance force of 6000 N acting on the car. What is the force applied by the car
engine?

A. equal to 6000 N B. greater than 6000 N C. less than 6000 N D. 0 N

37. Why the front and rear of a car are designed to be easily broken?

A. to increase friction C. to reduce momentum
B. to reduce impulse D. to increase the time of impact

38. Which of the following is true? C. weight is a scalar, mass is a vector
D. mass is a force, weight is not a force
A. weight depends on gravity
B. mass depends on gravity

39. Which of the following safety features of a vehicle is designed to protect the driver during a collision?

I. Rigid driver’s cell III Shock absorber
II. The side bar in the vehicle door IV Air bag

A. I, II and III B. I, II and IV C. I, III and IV D. II, III and IV

40. Which of the following statements is true about force?

I. A force can change the shape of an object III A force can change the weight of an object
II. A force can change the mass of an object IV A force can change the direction of a moving object

A. I, II and III B. I, II and IV C. I, III and IV D. II, III and IV

End of question paper.

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