Physics 1st Term Examination for SS1 2025/2026

Leave a Comment / By /

Welcome to your Physics 1st Term Examination for SS1 2025/2026

1. The cgs unit of force is

2. One of the following is not among the fundamental quantities

3. The quantity of matter in a body is

4. If you multiply linear expansivity by 2 you will get

5. The following are branches of physics EXCEPT

6. S.I. unit of velocity is

7. The branches of physics that deals with movement, force and energy is called

8. 1ft makes

9. The dimensional analysis of momentum is

10. The assignment of a numerical value to a quantity is called

11. The unit of pressure is Newton per meter square (Nm-²) or

12. One of the following is not the measuring instrument for Temperature

13. From the options only ONE is a measuring instrument for mass

14. ⁰c + 273 =

15. Another name for Area expansivity is

16. A type of force field that has only magnitude but no direction is called

17. The examples of vector force field are as follows EXCEPT

18. The region around the electric charge in which the strength of the electric force act is called

19. The Average value of acceleration due to gravity is about

20. The ability of a substance to regain its original shape and size after being distorted by an external force is called

SUBJECTIVE (20mks)

1. Another name for volume expansivity is ___________

2. One effects of thermal expansion that I know is ________________.

3. Area expansivity symbol is written as _____ and pronounced as ___________.

4. The two(2) formula for solving Displacement are ____________ and _____________.

5. The symbol of Density is written as _________ and pronounced as _____________.

6. The symbol of volume expansivity is written as ______ and pronounced as ___________

7. Linear expansivity multiply by 3 is equal to _____

8. The unit of linear expansivity, area expansivity and volume expansivity is per kelvin (k-¹) or __________

9. If the unit of length is centimeter(cm) then area will be _________

10. Pyrheliometer is an instrument for measuring ____________.

THEORY (20mks) Answer any 4

1a. Differentiate between Distance and Displacement (at least 3) {3mks}

1b. An indecisive car goes 120m North, then 30m south then 60m North. What are the car's (i) distance, (ii) displacement {2mks}

2a. Define Thermal Expansivity {1mk}

2b. A silver rod whose length is 20.0m at 30⁰c is heated to 60⁰c. Find it's new length, take α = 0.00018k-¹ {4mks}

3a. A cubic material of side 15m has linear expansivity of 2.1×10-⁵/⁰c, what is the (i)Superficial and (ii) Cubic expansivity of the material? {2mks}

3b. The linear expansivity of brass is 2×10-³/⁰c, if the initial area of the piece of brass is 15cm² at 10⁰c, what is the area at 110⁰c ? {3mks}

4a. State Hookes Law {2mks}

4b. A force of 0.8N stretches an elastic spring by 2cm, find the elastic constant of the spring. {3mks}

5a. State the Newton's law of Universal Gravitation. {2mks}

5b. With a diagramatic illustration, sketch an/a; (i)electric field of a negative charge and (ii) position of A with this cordinates (-3,5) SE

Leave a Reply

Your email address will not be published. Required fields are marked *