PHYSICS EXAM QUESTIONS SS1 SECOND TERM

SECOND TERM SS1 PHYSICS EXAM QUESTIONS – EDUDELIGHT.COM

SECOND TERM EXAMINATION

Examination malpractices may lead to a repeat of the subject or suspensions don’t be involved.

 SUBJECT: PHYSICS                DURATION: 2HRS                          CLASS: SSS 1

SECTION A: Attempt all question in this section. All question carry equal mark

1. The following are untrue about heat except? (a) it is a form of energy (b) it damages thermometer (c) it can be created (d) it is the measure of the degree of hotness of a body 
2. The following are effects of heat except (a) it can cause chemical change (b) it can cause expansion (c) it can cause empirical interference (d) it can cause change in physical properties
3. Temperature can be measured in any of the following units except (a) joules (b) Fahrenheit (c) Celsius (d) kelvin
4. Which of the following statement(s) is (are) true of heat? I. Heat flow from higher temperature to lower temperature. II. Heat can be calculated. III. Heat can be gotten from the sun (a) I only (b) II&III (c) I, II & III (d) II only
5. Calculate the Celsius equivalent of 185⁰F (a) 85 (b) 69 (c) 70 (d) 185
6. The reading on a damaged thermometer indicated 102⁰ at steam point and -4⁰ at the ice point. Calculate the reading of this thermometer if another thermometer reads 71⁰C (a) 75.26 (b) 79.26 (c) 71.26 (d) 67.26
7. The platinum resistance thermometer has a resistance of 4Ω at 0⁰C and 12Ω at 100⁰C. Assuming the resistance changes uniformly with temperature, calculate the resistance of the thermometer where the temperature is 65⁰C (a) 9.2 Ω (b) 5.2 Ω (c) 13.2 Ω (d) 1.2 Ω
8. The ice and steam points of a certain thermometer calibrated in mm are 8 and 72 respectively. Calculate the Celsius equivalent when the thermometer reads 12mm (a) 10.25 (b) 25.6 (c) 6.25 (d) 7.25
9. Convert 67⁰C to kelvin scale (a) 373K (b) 340K (c) 273K (d) 400K
10. Deduce the value in Fahrenheit if the reading in a thermometer is 167⁰C (a) 300.6 (b) 306.0 (c) 332.6 (d) 336.2
11. The ice and steam point of a kelvin scale is 273 and 373 respectively. Calculate thee reading on this thermometer if another reads 111⁰F (a) 316.89 (b) 306.89 (c) 326.89 (d) 318.69
12. An ungraduated thermometer reads 2.0cm and 12.0cm at ice and steam points respectively. Determine the reading in kelvin scale if the thermometer reads 7.5cm (a) 318 (b) 328 (c) 218 (d) 338
13. A resistance thermometer has a resistance of 20 Ω at 0⁰C and 85 Ω at 100⁰C. If the resistance is 52 Ω in a medium, calculate the corresponding temperature (a) 20.23 (b) 23.47 (c) 37.23 (d) 47.23
14. The thermometer developed by an SSS 1 physics student reads 1mm at ice point and 28mm at steam point. Calculate the reading of the thermometer if it is to measure the temperature of the examination hall which reads 61⁰C (a) 16.49 (b) 15.47 (c) 18.47 (d) 17.47
15. The following statements are not true of kinetic theory except (a) all matters are originally solids (b) all matters can be changed from one state to another (c) all matters are made up of atoms (d) some matters can exist without tiny particles
16. The temperature of a steam from pure water boiling at standard atmospheric pressure is called (a) lower fixed point (b) upper fixed point (c) colder fixed point (d) defined point
17. Which of the following statements correctly explain the effects of heat using the ball and ring experiments? (i) the ball contracts on heating (ii) the ball contracts on cooling (iii) the ball passed through the ring after heating (iv) the ball could not pass through the ring after heating (a) I&II (b) III&IV (c) I&III (d) II&IV
18. The following are effects of expansion except (a) cracking of bridges (b) bulging of railway lines (c) thickening of heated metal rod (d) sagging of telegraph wires
19. The cracking of a thick glass cup is due to which of the following phenomenon? (a) particle nature of matter (b) anomalous expansion of glasses (c) expansion of solids (d) loss of heat
20. Which of the formula below represents the linear expansivity of a metal of length l­₁ heated from ϴ₁ to ϴ₂ to get a new length l₂ (a)  (b)  (c)  (d)  
21. If   and  which of the following relation is untrue? I., II.  III. (a)  (a) I only (b) II&III only (c) III only (d) none of the above
22. Which of the following statements is true of water heated from 0⁰C to 100⁰C (a) the volume is minimum at 0⁰C (b) the volume is minimum at 4⁰C (c) the volume is maximum at 0⁰C (d) the volume is maximum at 4⁰C
23. The anomalous expansion of water is experienced at what temperature range? (a) 0-4⁰C (b) 0-10⁰C (c) 4-100⁰C (d) 4-10⁰C
24. The following observations were made by a student who carried out a research on the anomalous behavior of water when heated from 0⁰C to 100⁰C. I. the volume at 4⁰C is the same as at 0⁰C II. The density is maximum at 4⁰C III. The mass is unaltered even at 4⁰C.

Which of the statement(s) is (are) correct? (a) I&II (b) II&III (c) II only (d) III only

• Given that the linear expansivity of a metal is 10^-6k^-1. Calculate the area expansivity of the same material (a) 0.00000 k^-1 (b) 0.000002 k^-1 (c) 0.00003 k^-1 (d) 0.00004 k^-1
• The cubic expansivity of a metal was calculated to be 3×10^-5K^-1. What is the ideal linear expansivity of this metal? (a) 0.00005 K^-1 (b) 0.00001 K^-1 (c) 1.00005 K^-1 (d) 3.00001 K^-1
• The length of a railway track measured in the morning is 134m. Calculate the linear expansivity of the metal if the new length measured in the afternoon is 134.17m. Temperature in the morning is 26⁰c while that of the afternoon is 33⁰c (a) 101.2 x10^-4K^-1 (b) 1.012 x10^-4K^-1 (c) 210.1 x10^-4K^-1 (d) 2.101 x10^-4K^-1
• An aluminum wire measures 20m at 30⁰c. When heated to 50⁰c, it increases to 20.0034m. What is the linear expansivity of the material? (a) 5.8 x10^-4K^-1 (b) 5.8 x10^-6K^-1 (c) 8.5 x10^-4K^-1 (d) 8.5 x10^-6K^-1
• If the length of a metal rod is 21.07cm and becomes 21.12cm when heated through 42⁰c. Calculate the linear expansivity of the substance (a) 3.05 x10^-5K^-1 (b) 4.05 x10^-5K^-1 (c) 5.05×10^-5K^-1 (d) 6.05 x10^-5K^-1
• Find the increase in length that would be recorded by a student who is to subject a rod of linear expansivity 10^-4K^-1, 10m length to a temperature rise of 71⁰c. (a) 0.071 (b) 0.701 (c) 0.107 (d) 0.017
• Convert -34⁰F to kelvin (a) 224.3K (b) 363.6K (c) 216.3K (d) 404.6K
• Convert 20⁰c to kelvin (a) 253K (b) 273k (c) 293 (d) 303
• A resistant thermometer reads 40.0 Ω at ice point and 68.0 Ω at steam point. Find the temperature reading on the Celsius scale if the resistance of the thermometer reads 72.4 Ω (a) 120.17 (b) 115.71 (c) 162.27 (d) 177.17
• The volume of a metal material increases by 0.1774cm³ when the material is heated from 30⁰c to 70⁰c. If the cubic expansivity of the material is 2.4×10^-5k^-1. Calculate the original volume of the material (a) 87.96 cm³  (b) 98.87 cm³ (c) 67.96 cm³ (d) 96.87 cm³
• In an experiment to determine the cubic expansivity of a liquid, a student raised the temperature of 65.8g of the liquid in a density bottle from 30⁰c to 79⁰c and observed 0.483g was expelled. Calculate the cubic expansivity of the liquid (linear expansivity of the vessel=0.0000085K^-1) (a) 0.000176k^-1 (b) 0.000157k^-1 (c) 0.000518k^-1 (d) 0.000156k^-1
• If hot water is poured into a thick glass cup, the cup cracks because (a) glass cannot withstand high temperature (b) glass is an amorphous substance (c) the inner and the outer wall of the glass expands differently (d) coefficient of expansion of glass is high
• In which of the following is the expansion of a solid an advantage? (a) buckling of railway lines (b) seizing of bearings in motor vehicles (c) sagging of telephone wires (d) using bimetallic trips in thermometers
• An iron rod of length 50m and at a temperature of 60⁰c is heated to 70⁰C. Calculate its new length. (linear expansivity of iron = 1.2×10^-5) (a) 50.006m (b) 50.060m (c) 51.600m (d) 51.200m
• If L, S and V are the linear, area and volume expansivities of a given metal respsectively, which of the following equations is correct? (a) L-S=0 (b) V-2S=0 (c) S-2L=0 (d) 2S-L=0
• The linear expansivity of a metal P is twice that of another metal Q. When these materials are heated to the same temperature change, their increase in length is the same. Calculate the ratio of the original length of P and Q (a) 1:4 (b) 1:2 (c) 2:1 (d) 4:1
• When water is heated between 0⁰c and 4⁰c, its density (a) increases for a while and then decreases (b) decreases for a while and then increases (c) increases (d) decreases
• The silvered walls of a vacuum flask minimize loss of heat due to (a) conduction and convection (b) conduction only (c) evaporation (d) radiation
• The heat from a fire in a closed room reaches someone far away in the room mainly by (a) reflection (b) diffusion (c) conduction (d) radiation
• When heat is applied to one end of a metal rod, molecules at the other end begin to vibrate with greater amplitude than before because heat has been transferred by (a) radiation (b) convection (c) conduction (d) evaporation 
• Which of the following cannot be explained by molecular theory of matter? (a) expansion (b) conduction (c) convection (d) evaporation
• Lines of force I. begin and end on equal and opposite electric charges II. Are in state of tension which cause them to be shorten III. Attract one another. Which of the following statement(s) is/are correct? (a) I only (b) II only (c) III only (d) I and II only
• The following are ways of charging an object except (a) by friction (b) by contact (c) by induction (d) by magnetization
• If a rod of similar charge is brought closer to the cap of an electroscope, (a) the leaves increases in divergence (b) the leaves reduces in divergence (c) the leaves collapses (d) the leaves are unaffected
• The work done by a cell in moving one coulomb of charge round a circuit is called (a) voltage (b) potential difference (c) electromotive force (d) current
• A thermocouple is a device which is used to generate current via (a) chemical energy (b) heat energy (c) solar energy (d) mechanical energy

SECOND TERM SS1 PHYSICS EXAM QUESTIONS – EDUDELIGHT.COM

SECTION B: Attempt any three questions from this section.

1. (a) An invar rod of brass and iron of length xcm is heated through a temperature of 70⁰c. It was found that the brass rod becomes longer than the iron rod by 0.019cm, calculate the value of x [linear expansivity of brass and iron are 1.9×10^-5K^-1 and 1.2 x10^-5K^-1]  5marks

(b) Enumerate three effects of expansion                                                3marks

(c) Define temperature                                                                                2marks

• (a) A metal block with an original volume of 25cm³ at a temperature at 35⁰C increases to 35.856cm³ when it is heated to a temperature of 146⁰C. Calculate the (i) cubic expansivity (ii) linear expansivity of the material of the material of the block      4marks

(b) Draw a well labelled diagram of the vacuum flask              4marks

(c) State the law of electrostatics                                                 2marks

• (a) Define the upper fixed point and lower fixed  point as used in thermometers    4marks

(b) The electrical resistance of the element in a platinum resistance thermometer at 100⁰C, 0⁰C and room temperature are 75.000Ω, 63.000Ω and 64.992Ω respectively. Use the data to determine the room temperature.                                                                                      3marks

(c) Draw the line of force of two isolated positive charges                  3marks

• (a) List and explain three methods of heat transfer                                6marks

(b) A metal of length 15.01m is heated until its temperature rises by 60⁰C. If its new length is 15.05m, calculate its linear expansivity               4marks

• (a) List and explain two ways of charging an object                  4marks
• Highlight 4 properties of field lines (line of force)              4marks
• Explain the ball and ring experiment                                      2marks

SECOND TERM SS1 PHYSICS EXAM QUESTIONS – EDUDELIGHT.COM

PHYSICS   SECOND TERM EXAM SS 1

(1)     Thermal is energy means        

(a)     Heat  (b) Convection     (c) Radiation (d)kinetic

(2)              is the degree of hotness and coldness in the body

(a)     atom  (b) temperature    (c) Molecule          (d) heat

(3)     All these are effect of heat except one

(a)     Change in temperature of the body   (b) change of state of the body

(c) Expansion of the body       (d) Change in water

(4)               is the smallest particle of an element that can have a separate existence

(a)     atom  (b) Molecule         (c0 vapourization (d) thermometer

(5)               is a substance that increase in length per unit length per degree rise in temperature

(a) Linear expansivity (b) area expansivity (c) volume expansivity  (d) cubic expansivity

(6)     Volume expansivity can be calculated by

(a)     B = A2 – A1         (b)     B = A1 – A2         (C)     A2 – x1       (d) x2 – x1

A1 x 0ᴓ      A1ᴓ   ᴓ

Aᴓ

(7)     All these are application of expansion

(a) Railway lines  (b) Sagging of telegraph wires (c) Expansion in buildings and steel

(d) Expansion in rubber

(8)     Heat transfer can happen in three ways     (a) Conduction, conductor and thermal

(b) Convection, conductor and radiation    (c) Radiation ,conduction, con

(d) Thermometer, conduction and radiation

(9)     A room is heated by means of a charcoal fire . A man is standing away from the fire is warmed by

(a) Conduction     (b)reflection (c) radiation          (d) convection

(10)   Which of the following surfaces will absorb radiant heat energy best?

(a) White     (b) Red        (c) Black     (d) Yellow

(11). A brass Rod is 2m long at a certain temperature . what is its length for a temperature . what is its length for a temperature rise of look . if the expansivity of brass is 18 x 10-6 k -1 (a) 2.0036m  (b) 2.0018m         (c) 2.1800m (d) 2.0360m

(12) On a cold morning the metal blade of a cutlass feels colder to touch them at the wooden handle because

(a)     The blade is at a lower temperature than the handle

(b)     The hand is at a lower temperature than both blade and handle

(c)      The blade is a better conductor of heat than the handle

(d)     The handle is better conductor of heat and the blade

13.     Which of the following are fundamental units?

(a) kg (b) kgm-3   (c) m3 (d) Nm-3

14.     A boy of mass 0kg runs up a set of steps of total height 3.0m . find the work done against gravity

(a) 150j       (b) 1500j     (c) 15j         (d) 250j

15.     When rigid objects move from one point in space to another without rotating is called

(a) Random motion        (b0 Rotational motion (c)translational motion     (d) Relative motion

(16)             is the rate of doing work

(a) Power    (b) Energy   (c) potential (d) Kinetic

(17)   Which of the following is not a vector quantities

(a) Speed    (b) Velocity (c) Force     (d) Acceleration

(18)   The unit of energy is called     

(a) kg (b) m-3       (c) J   (d) km

(19)   When like body come together the result is         

(a) attract    (b) repel      (c) Joint      (d) disappear

(20). There are two types of change  (a) Positive and negative charge        (b) positive and like change  (c) Unlike and like change       (d) Negative and unlike change

21      Are the basic quantities that are independent of others

(a)     Fundamental quantities (b) Derived quantities (C) Mass quantities

(d) Meter quantities

22. The unit of mass is ……………………………….

(a) m (b)   kg  (c) S        (d) K

23      is the instrument used to determine the diameter of a wire

(a)     Micrometer screw gauge (b) Ruler (c) meter rule (d) burette

24.     The dimension of velocity is

(a)     L  –  (b)  L T -1     (c)  MLT -2 (d) LT

25.     All these are types of motion except ……………………………….

26.     (a)Random motion (b) Rational motion (c) Time to another without rotating is

called …………………………………….   (a) Rational motion (b) Translational motion

(b)     Random motion (d)Oscillatory motion

27.     All these are example of oscillatory motion except

(a)     Fan    (b)simple pendulum (c) Rocking chair

28      is defined as distance travelled in a specified motion

(a) Velocity (b) motion  (c) displacement   (d) speed

29.     A car travels at an average speed of 100km/h what distance does it cover in 5minutes.    (a) 8.3 km   (b) 8.0 km   (c)  8.7 km  (d)7.3 km

30.     …………………………… is tends to oppose the motion of one over the other.

(a)     Force  (b) field (c) friction (d) limit

31.     Which of the following are fundamental unit except

(a)     kg      (b)   S  (c)  m3      (d) NM-2

32.     Which of the unit of the following physical quantify are derived

(a)     Area  (b)  Thrust o pressure    (d)     mass

33.     The unit of work is …………………………..

(a)     Joules         (b) Nm-I      (c)      meters         (d) kg

34.     Find the potential energy of a boy of mass 10kg standing on a building floor 10 meters above the ground level

(a)  80J       (b)1000J     (c)100J        (d)     50J

35.     …………………………. Is defined as the capacity to do work        (a) potential (b)Kimetic

(c) Work.

36.     …………………………………….. is the rate of changing velocity within time (a) mass (b) kilogram (c)acceleration (d)velocity

37      are forces which are in contact or in touch with body to which they are

applied.

(a)     Force field   (b) contact forces  (c)      electric force (d) magnetic force

38.     All these are method of reducing friction except ……………………

(a)     Oil  (b)  grease  (c)   ball or roller bearing   (d) sand

39.     The force applied to a body to keep it moving in a circular part is called ……………

(a)     Centrifugal force  (b) centripetal force        )c) motion force (d) force

40.     May be defined as the extent of space or distance extended Length  (b) mass (C) Time (d) Temperature.

THEORY

(1)     What is linear expansivity

(2)     Write out the formula of calculating area of expansivity

(3)     State two (2) type of charge

(4)     Define heat

(5)     Mention three (3 ) sources of heat

(6)     State three (3) heat transfer

(7)     Define temperature

SECOND TERM SS1 PHYSICS EXAM QUESTIONS – EDUDELIGHT.COM