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Nyaisa Manga Secondary End Of Term Two Exam 2017 Form One Physics Question Paper
Nyaisa Manga Secondary End Of Term Two Exam 2017 Form One Physics
Course:Physics
Institution: Form 1 question papers
Exam Year:2017
NAME……………ADM NO……STREAM……
NYAISA MANGA SECONDARY
P.O BOX 1522-40200
KISII.
END OF TERM TWO EXAM 2017
FORM ONE
PHYSIC
Answer all physics
1. Name three career opportunities involving physics that are offered in the universities. (3mks)
2. State four laboratory rules. (4mks)
3. Fill in the blank spaces in the table shown below. (3mks)
Basic Physical
quantity SI Symbol of Unit
1 Ampere
2 Light intensity Cd
3 Time S
4 Amount of substance
4. a) Define weight and give its SI units. (2mks)
5. Define the following terms and state their SI Units. (4mks)
(a) Density
(c) Pressure
6. Explain the following observations. (3mks)
(a) Water wets clean surfaces of glass but not waxed surfaces of glass.
(b) A steel razor blade placed carefully on the surface of water does not sink.
(c) A body weighs more in air than when it is submerged in water.
7. Define the term temperature and state its SI units (2 mrks)
8. Highlight any three applications of expansion and contraction in solids (2 mrks)
9. Convert each of the following from Kelvin to 0c:
(2mks)
a) 167K
b) 283K
10. Give THREE comparison of the two thermometric liquids (3mks)
11. Figure 1 shows a beam balance made out of concrete and reinforced with steel
Use a diagram to explain the behavior of the shape of the beam when heated up (2 mrks)
12. (a) Sate two liquids which are used in thermometer. (2mks)
(b) With a reason, state which of the two liquids in 9 (a) above is used to measure temperature in
areas where temperatures are:
. (i) below -400c (1mk)
(ii) 1500c (1mk)
13. State three properties of a liquid that is suitable for use in a thermometer (3mks)
14. Give a reason why a concrete beam reinforced with steel does not crack when subjected to
Changes in temperature. (1mk)
15. Define the term kinetic theory of matter (2mks)
16. Differentiate between sublimation and deposition (2mks)
17. Define the term expansivity (2mks)
18. State two reasons why gas particles diffuse faster than solid particles (2mks)
19. You are provided with a long glass-tube, fitting corks, cotton wool, concentrated solution
hydrochloric acid and concentrated ammonia solution.
(i) Draw a possible set-up to compare the rates of diffusion of ammonia gas and
Hydrochloric acid gas (4mks)
(iii) What are the possible observations and conclusion (2mks)
20. A person weights 810N on earth. On the moon, he weighs 135N. Calculate the moon’s gravitational field strength. Given that gravitational strength of the earth is 10N/kg (3mks)
21. a) A spring stretches by 2.0cm when a load of 50N is hanged on it.
i) By how much would it stretch when supporting a load of 150N? (2mks)
ii) What load would make the spring stretch by 2.5cm? (2mks)
22. A block of mass 6kg measures 50cm x 30cm x 20cm. Determine;
a) The maximum pressure it can exert on a horizontal surface. (3mks)
b) The minimum pressure it can exert on a horizontal surface. (2mks)
23. State two factors that affect pressure in liquids. (2mks)
24. Explain how atmospheric pressure makes it possible to suck up a liquid in a straw. (2mks)
25. The air pressure at the base of a mountain is 76cm Hg while at the top is 65cmHg. Given that the average density of air is 1.25 kgm-3 and density of mercury is 13,600 kgm-3. Calculate the height of the mountain. (3mks)
26. State two factors that affect surface tension of a liquid. (2mks)
27. Bronze is made by mixing molten copper and tin. If 200kg of the mixture contains 75% by mass of copper and 25% by mass of tin, calculate the density of bronze given that density of copper is 8,900kgm-3 and density of tin is 7,000kgm-3. (5mks)
28. Define the term heat and state its IS units (2mks)
29. State the three modes of heat transfer (3mks)
30. Explain why metals are good conductors of heat (2mks)
31. Highlight THREE factors affecting thermal conductivity (3mks)
32. Define the term lagging (2mks)
33. 1800 cm3 of fresh water is mixed with 2200 cm3 of sea water. Calculate the density of the mixture. (Density of fresh water s 1000 kg/m3 and density of sea water is 1025 kg/m3) (4mks)
34. Convert the following
(a) 1000 000 m into km (2mks)
(b) How many minutes are there in a day? (2mks)
35. (a) Name two measuring instruments that are used to measure length. (2mks)
(b) Name two apparatus used to measure volumes of liquids in the laboratory. (2mks)
36. Name three precautions of handling a density bottle. (3mks)
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