physics form 4 chapter 1 objective questions

7/28/2019 physics form 4 chapter 1 objective questions

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Form 4 Physics (Tutorial 1)

SMK JEMENTAH QLN1

Name : ________________________ Class : ____________ Date:_______________

1. Which of the following is a derived physicalquantity?A. mass B. temperature

C. electric current D. weight

2. A physical quantity is defined as the product ofvelocity and time. What is the S.I. unit of thisquantity?A. kg m s-2 B. kg m s-1C. m s

-1 D. m

3. The power generated by a power station is 250MW. This power is the same asA. 2.50 x 10

3W B. 2.50 x 10

6W

C. 2.50 x 108 W D. 2.50 x 109 W

4. Figure 1a shows the reading of a mercurybarometer. A little while later, the readingbecomes as shown in Figure 1b.

Figure 1a Figure 1bWhich of the following is true?

Barometer

reading in

Figure 1a

Change of

barometer

reading

A. 759.5 cm 0.7 cm

B. 759.6 cm 0.7 cmC. 759.5 cm 0.8 cm

D. 759.6 cm 0.8 cm

5.

The vernier calliper reading isA. 0.05 cm B. 0.35 cm

C. 0.55 cm D. 1.50 cm

6. Which of the following pair of instrumentswould you use to measure the speed of a toycar?

A. stopwatch and spring balanceB. spring balance and micrometerC. measuring tape and micrometer

D. stopwatch and measuring tape

7. Which of the following is a base quantity andits SI unit?A. Mass / g B. Time / hC. Current / mA D. Temperature / K

8. Diagram 1 shows a brick is placed on a balanceX and then on balance Y.

Diagram 1

What is measured by each balance?Balance X Balance Y

A. weight massB. mass weight

C. mass massD. weight weight

9. Which of the following instruments is mostaccurate to measure the internal diameter of awater pipe?

A. meter ruleB. measuring tapeC. vernier calliper

D. micrometer screw gauge

10. The force, F, acting between two electricalcharges, Q1andQ2is given by the equation.

F= kQ1Q2The SI unit ofkisA. NC

2B. NC

C. kgA

-2

2D. kgA

-2

11. Two groups of students are asked to estimatethe mass of a pendulum bob. The results of the

two groups are shown in Diagram 2.

45g, 60g, 50g, 50g Group 1

40g, 55g, 70g, 60g Group 2

Diagram 2


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If the actual mass of the pendulum bob is 55 g,which of the following comments about the twogroups' estimation is correct?

A. Group 1 is more accurate and moreconsistent compared to Group 2.

B. Group 1 is more accurate but less

consistent compared to Group 2.C. Group 2 is more accurate and more

consistent compared to Group 1D. Group 2 is more accurate but less consistent

compared to Group 1.

12. The accuracy of a measurement can beincreased byA. ignoring zero error

B. ignoring parallax errorC. calculating the average valueD. calculating value to a more decimal places

13. Diagram 1 shows a micrometer screw gauge isused in a measurement.

If the micrometer screw gauge has zero error of+0.02 mm, the actual reading of the micrometer

screw gauge isA. 6.42 mm B. 6.44 mmC. 6.92 mm D. 6.95 mm

14. Which of the following is the correct convertedunit?A. 1 000 mm

3= 1.0 x 10

-4m

3

B. 100 mm3

= 1.0 x 10-2

m3

C. 450 mm3

= 4.5 x 10-7

m3

D. 45 mm3

= 4.5 x 10-6

m3

15. Which of the power factor and prefix iscorrect ?

Power factor PrefixA. 10

-6kilo

B. 10-3

miliC. 106 microD. 10

3mega

16. Which is a derived unit?A. joule B. kelvinC. kilogram D. kilometer

17. A, B,C and D shows four different instrumentsfor measuring length. Which instrument is themost sensitive?

A.

B.

C.

D.

18. Which graph obeys the equation F=xm ,where

m is constant?

A.

B.


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SMK JEMENTAH QLN3

C.

D.

19. Which of the following unit is correct?Quantity SI unit

A. Force kgms-2

B. Density kgm

-2

C. Area m3

D. Acceleration ms-1

20. Diagram 3 shows a micrometer screw gauge.

Diagram 3What is the reading of the micrometer?A. 6.00 mm B. 6.02 mmC. 6.45 mm D. 6.48 mm

21. Density of mercury is 13600 kgm-3 which isequivalent toA. 0.136 gcm

-3

B. 1.36 x 10-2

gcm-3

C. 1.36 x 10

-3gcm

-3

D. 13.6 gcm-3

22. Diagram 4 shows two voltmeters.

Diagram 4Which of the following is true?A. Voltmeter X is more accurate than voltmeter

Y

B. Voltmeter X is more sensitive than voltmeterY

C. Voltmeter X is more consistent than

voltmeter YD. Voltmeter Y is more sensitive than voltmeter

X

23.

Which of the following is not a symbol of abase SI unit?A. kg B. s C. A D. C

24. Which physical quantity has the correct S.Iunit?

Quantity S.I Unit

A. Current mAB. Time s

C. Area cm2

D. Volume m3

25. Which of the following is a vector quantity?A. Mass of a ballB. Age of the earthC.Number of students in a classD. Earths gravitational pull on our body

26. Diagram shows a graph of P against Q.

Which of the following equation can be relatedto the diagram?A. P = Q 10B. P = -2Q + 10C. P = -Q + 10D. P = 2Q + 1


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27. The following are three readings, P, Q and Robtained by three different measuringinstruments.

What measuring instrument was used tomeasure P, Q and R?

P Q R

A.Verniercalliper

Micrometerscrewgauge

Metreruler

B.

Micrometerscrewgauge

Verniercalliper

Metreruler

C.

Micrometer

screwgauge

Metre rulerVerniercalliper

D.Verniercalliper

Metre rulerMetreruler

28. Energy = force x distance. The unit for force iskg ms

-2and the unit for distance is m, what is

the derived unit for energy?A. kg ms-2 B. kg m2 s-2C. kg m

2s

2 D. kg m

-1s

-2

29. In a rifle shooting competition, Suresh waseliminated from the competition because hisshots were not accurate even though they wereconsistent. Which target board below shows theshots made by Suresh?

A. B.

C. D.

30. Based on the graph in Diagram 5, the value ofgradient is 2.0.

Diagram 5What is the unit for the gradient?A. m

-1s

-1 B. m s

-2

C. m s-1

D. m s2

31. A shop-keeper places two identical blocks ofcheese on a set of scales and notices that theircombined mass is 240 g. Each block measures

2.0 cm x 5.0 cm x 10.0 cm.

What is the density of the cheese ?

A. 0.42 g / cm3 B. 0.83 g / cm

3

C. 1.2 g / cm3 D. 2.4 g / cm

3

32. Sensitivity of a measuring instrument is theability of the instrument.A. to avoid zero error.B. to avoid parallax error.C. to produce an accurate readingD. to detect a small change in the quantity to be

measured.

33. Which of the following quantities is a scalarquantity?A. Work B. ForceC. Weight D. Momentum

34. The diagram shows part of a micrometer screwgauge.

What is the reading of the micrometer?A. 4.28 mm B. 4.32 mmC. 4.78 mm D. 4.82 mm


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SMK JEMENTAH QLN5

35. Hot FM is transmitted with a frequency of 88.2MHz. This frequency is equal toA. 8.82 x 10

5Hz B. 8.82 x 10

6Hz

C. 8.82 x 107 Hz D. 8.82 x 108 Hz

36. Diagram 6 shows a student holding a glass rod.

Diagram 6The best choice of measuring instruments tomeasure the length and diameter of the

glass rod isLength Diameter

A. Metre ruler Vernier calipersB. Vernier calipers Micrometer

screw gauge

C. Vernier calipers Vernier calipersD. Metre ruler Micrometer

screw gauge

37. A student carries out an experiment where the

variables are as follows:Manipulated variable : P

Responding variable : Q

Constant variable :RWhich is the graph that should be drawn?

A. B.

C. D.

38. A car is moving with velocity 60 kmh-1.What is the velocity in ms

-1

?A. 0.17 B. 1.67

C. 10.0 D. 16.7

39. Which measurement has the greatest value?A. 1.13 x 10

8mm B. 1.13 x 10

8cm

C. 1.13 x 108m D. 1.13 x 10

8nm

40. Diagram shows the scale of a voltmeter

What is the accuracy of the voltmeter?A. 0.20 V B. 0.10 VC. 0.02 V D. 0.01 V

41. Which of the following values is equal to 30mHz?A. 3 x 10-5 Hz B. 3 x 10-4 Hz

C. 3 x 10-3 Hz D. 3 x 10-2 Hz

42. A, B, C, and D show the shooting marks on atarget. Which of the following show the highestprecision?

A. B.

C. D.

43. Table 1 shows the results obtained from anexperiment resistivity of a wire.

Diameter of

wire /mm

Current/A Potential

Difference/V

0.20 0.34 3.4

0.60 0.39 3.6

1.00 0.53 4.3

1.40 0.70 4.8

1.80 0.86 5.0

Which of the following statements is true aboutthe experiment?A. The current is the manipulated variable.

B. The smallest scale on the ammeter is 0.02 A.C. The smallest scale on the voltmeter is 0.01V.D. The diameter of the wire is measured using

micrometer screw gauge.


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SMK JEMENTAH QLN6

44. Which the following is a base unit?A. joule B. newtonC. ampere D. kilometer

45. Which pair contains scalar quantities only?A. Distance and workB. Speed and weight

C. Force and momentumD. Displacement and area

46. Diagrams 7.1 and 7.2 show two types ofammeter.

Diagrams 7.1

Diagrams 7.2

In which aspect are the ammeters shown in bothdiagrams different?A. Accuracy B. SensitivityC. Consistency

47. Which of the following physical quantitiesconsists of derived quantities?A. Temperature, time, forceB. Electric current, length, timeC. Force, velocity, electric chargeD. Velocity, force, length

48.

Which of the following is a scalar quantity?A. Distance

B. VelocityC. Acceleration

D. Force

49. Which instrument gives the most accuratemeasurement?

A.

B.

C.

D.

50. Which of the following is not a purpose ofplotting graph in scientific investigation?A. Giving a consistent measurementB. Finding relationship between two variablesC. Find the values that out of rangeD. Interpreting data

51. Diagram shows the reading of the micrometersscrew gauge.

What is the reading of the micrometer?A. 6.28 mm B. 6.78 mmC. 8.28 mm D. 8.78 mm

52. A, B, C and D show the shooting marks ontarget. Which marks are most accurate?

A. B.

C. D.


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SMK JEMENTAH QLN7

53. The relationship between the elastic potentialenergy, E with the compression,x, , of a springis given by the equation,

E =2

1kx

2, where k is the spring constant

What is the unit of k?

A. Nm-1

B. Nm-2

C. kg m

-1 D. kg m

-2

54. The following equation is written in term ofbase quantity.

Q =timetime

lengthmass

Which of following quantity is Q?

A. Velocity B. AccelerationC. Density D. Force

55. Diagram shows a compression balance withzero error.

Which of the following statement is NOTTRUE to correct the error?A. Use different compression balance.B. Deduct zero error from readings.

C. Calibrate the zero error.

D. Take many readings of the same quantityand find the mean value.

56. Which of the following is a base quantity andits S.I. unit?A. Mass / g B. Time / hC. Current / mA D. Temperature / K

57. Figure shows an ammeter with a reflectingmirror and an adjustment screw. Both parts are

used to reduce error.

Which statement shows the correct type of errorbeing reduce?

Adjustment screw Reflecting mirrorA. zero error random error

B. parallax error random errorC. zero error parallax errorD. random error parallax error

58. In a shooting competition, Remi has won thecompetition because his shots were veryaccurate and consistent. Which target boardbelow shows the shots made by Remi?

A. B.

C. D.

59. Figure shows the reading of a vernier calliperwhen the jaws are closed.

What is the zero error of the vernier caliper?

A. 0.02 cm B. 0.02 cmC. 1.10 cm D. 1.10 cm

60. Which of the following is NOT a base unit?A. Joule B. Ampere

C. Kilogram D. Second

61. 108 km h-1 is equivalent toA. 20 m s

-1 B. 30 m s

-1

C. 50 m s-1

D. 60 m s-1

62. The graph shows the relationship between v andt.

The relationship between v and t can be

represented by the equationA. V = t + 5 B. V = t + 1C. V = - t + 5 D. V = - t + 1

Reflectingmirror

Adjustmentscrew


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SMK JEMENTAH QLN8

63. Table 1 shows the results of an experiment toinvestigate the relationship between load andextension when a spring is stretched.

Load, F/N Extension, x /cm

100 1.0

150 1.5

200 2.0250 2.5

300 3.0

Table 1The original length of the spring is l0 = 15.0

cm. What is the responding variable?A. Load, FB. Extension, xC. Original length of the spring, l0D. Material used to make the spring

64. Which physical quantity has the correct S.I.unit?

Physical quantity S.I. unit

A. Temperature CelsiusB. Time MinuteC. Mass NewtonD. Length Metre

65. The graph shows the relationship between v andt.

The relationship between v andtis represented

by the equation

A. v =q

pt+p B. v =

q

pt+ q

C. v = -q

pt+p D. v = -

q

pt+ q

66. 30 miliseconds is equilibrium toA. 3 10

-6seconds

B. 3 10-5

seconds

C. 3 10-4 secondsD. 3 10

-3seconds

E. 3 10-2 seconds

67. The diagram shows the scales on a pair ofvernier calipers and a metre rule.

vernier calipers

Metre rule

Which comparison is correct about thesensitivity of the vernier calipers and the metre

rule when measuring the thickness of a wire?Vernier calipers Metre rule

A. Low sensitivity Low sensitivity

B. Low sensitivity High sensitivityC. High sensitivity Low sensitivityD. High sensitivity High sensitivity

68. Which of the following frequencies is the sameas 106.8MHz?A. 1.068 x 10-4 Hz B. 1.068 x 10-1 Hz

C. 1.068 x 102

Hz D. 1.068 x 106

HzE. 1.068 x 10

8Hz

69. The graph shows the relationship betweenphysical quantities P and Q.

Which statement about the graph is correct?A. If Q =1 then P=2

B. The gradient of the graph is 1C. P is directly proportional to QD. The equation of the graph is P=1+3Q


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70. The diagram shows the scale of a micrometerscrew gauge.

What is the reading of the micrometer?A. 7.02mm B. 7.03mmC. 7.52mm D. 7.58mm

71. A, B, C and D show the shooting marks on atarget. Which marks can explain the concept ofprecision of a measurement?

A. B.

C. D.

72. The relationship between stretching force, F,with the extension,x of a spring, is given by theequation;

F =kxWhere kis the spring constant.What is the unit ofk?

A. Nm-1

B. Nm-2

C. kg m

-1 D. kg m

-2

73. Which of the following physical quantities isnot a base quantityA. Weight B. TimeC. Temperature D. Electric current

74. Which of the following graphs obeys theequation F= kx, where k is constant.

A. B.

C. D.

75. A radio station airs its programmes bytransmitting waves at a frequency of 102.3MHz.

How much is this frequency, in Hz?A. 1.023 x 102B. 1.023 x 105C. 1.023 x 10

6 D. 1.023 x 10

8

76. Which of the following values is equal to 470pF?A. 4.7 x 10-10 F B. 4.7 x 10-7 FC. 4.7 x 10

2F D. 4.7 x 10

11F

77. Which of the following quantities is a vectorquantity?A. Energy B. PowerC. Force D. Pressure

78. A, B, C and D show parts of four differentbalance scales.

Which balance is the most sensitive?A. B.

C. D.

physics form 4 chapter 1 objective questions

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