Physics Comprehensive Practice Test 4

Questions

100

Marks

Sections

100%

Auto-Graded

Section	Questions	Marks Each	Total
A — Multiple Choice	15	2	30
B — True / False	10	2	20
C — Fill in the Blank	10	2	20
D — Column Matching	5 sub-questions	2	10
E — Short Answer	5	4	20
Total	45	—	100

Source scope: This paper is based only on the 12 Physics articles currently in the EDUSAMBAM master library: Energy: Types, Sources, and Transformations; Electricity and Magnetism: The Basics; Force and Newton's Laws of Motion; Gravity and Space; Heat and Temperature; Light: Reflection, Refraction, and Color; Matter and Its States; Motion: Speed, Velocity, and Distance; Pressure and Buoyancy; Sound: How We Hear the World; What is Physics?; Work, Power, and Simple Machines

Section A — Multiple Choice

30 marks

15 questions · 2 marks each. Select the best answer.

1.A book held above a table has which type of energy?Intermediate2 pts

A. Sound energy

B. Elastic potential energy

C. Kinetic energy

D. Gravitational potential energy

2.Which of these is a good electrical conductor?Advanced2 pts

A. Copper

B. Rubber

C. Glass

D. Dry wood

3.What is Newton's Second Law formula?Basic2 pts

A. Speed = Distance ÷ Time

B. Force = Mass ÷ Acceleration

C. Mass = Force × Acceleration

D. Force = Mass × Acceleration

4.In a vacuum with no air resistance, how do a feather and a hammer fall?Intermediate2 pts

A. The hammer falls much faster

B. The feather falls faster

C. Neither one falls at all

D. They fall at exactly the same rate

5.What unit is heat measured in?Advanced2 pts

A. Degrees Celsius

B. Newtons

C. Watts

D. Joules

6.What is refraction?Basic2 pts

A. Light disappearing completely

B. Light bouncing directly backward

C. Light changing color permanently

D. The bending of light as it passes between different materials

7.What is the name for a liquid changing directly into a gas?Intermediate2 pts

A. Condensation

B. Deposition

C. Freezing

D. Boiling / Evaporation

8.Which type of quantity has both size and direction?Advanced2 pts

A. Vector

B. Scalar

C. Constant

D. Uniform

9.Roughly what is standard atmospheric pressure at sea level?Basic2 pts

A. 9.8 Pa

B. 343 Pa

C. 1,000 Pa

D. About 101,325 Pa

10.What determines the pitch of a sound?Intermediate2 pts

A. Frequency

B. Amplitude only

C. The medium's color

D. The listener's distance only

11.Which branch of physics covers relativity and quantum mechanics?Advanced2 pts

A. Classical mechanics

B. Optics

C. Thermodynamics

D. Modern physics

12.What does power measure?Basic2 pts

A. How quickly work is done

B. The total distance travelled

C. The mass of an object

D. The direction of a force

13.Roughly what percentage of electrical energy does a traditional incandescent bulb convert into visible light?Intermediate2 pts

A. About 90%

B. About 50%

C. About 5–10%

D. 100%

14.Why do black surfaces heat up faster in sunlight than white surfaces?Advanced2 pts

A. Black surfaces reflect nearly all light energy

B. Black surfaces absorb nearly all light energy instead of reflecting it

C. White surfaces absorb more heat than black ones

D. Color has no effect on heat absorption

15.Why does a wheelchair ramp make it easier to move a wheelchair up 1 metre?Basic2 pts

A. It requires less force, but the wheelchair travels a much longer distance

B. It removes the need for any force at all

C. It reduces the total work required to zero

D. It increases the force needed

Section B — True / False

20 marks

10 questions · 2 marks each. Select True or False.

16.A light bulb can transform electrical energy into light and heat.Basic2 pts

False

True

17.A parallel circuit has only one path for current.Basic2 pts

False

True

18.A net unbalanced force can change an object’s motion.Basic2 pts

False

True

19.The gravitational force between two masses becomes weaker as they move farther apart.Basic2 pts

False

True

20.Convection is heat transfer mainly through bulk movement of a fluid.Intermediate2 pts

False

True

21.Reflection and refraction are identical processes.Basic2 pts

False

True

22.Evaporation occurs only at the boiling point.Basic2 pts

False

True

23.A steeper distance-time graph indicates a greater speed.Basic2 pts

False

True

24.A submarine changes its average density by using ballast tanks.Intermediate2 pts

False

True

25.The watt is the SI unit of work.Basic2 pts

False

True

Section C — Fill in the Blank

20 marks

10 questions · 2 marks each. Type the missing term or value.

26.In a typical fuel power plant, chemical energy is changed first into ____ energy when fuel burns.Basic2 pts

27.The opposition to electric current is called ____.Basic2 pts

28.Newton’s Third Law describes equal and ____ reaction forces.Basic2 pts

29.The acceleration due to Earth’s gravity is about ____ m/s².Basic2 pts

30.Heat transfer by the movement of a fluid is called ____.Basic2 pts

31.A mirror works primarily by ____.Basic2 pts

32.The change from gas to liquid is called ____.Basic2 pts

33.The upward force from a fluid is called ____ force.Basic2 pts

34.Human hearing is approximately from ____ Hz to 20,000 Hz.Basic2 pts

35.One watt equals one joule per ____.Basic2 pts

Section D — Matching

10 marks

5 sub-questions · 2 marks each. Match each sub-question in Column A with the correct entry in Column B.

36.Match each term in Column A with the correct description in Column B.Advanced10 pts

Column A

36(a). Parallel circuit

36(b). Newton’s Second Law

36(c). Convection

36(d). Reflection

36(e). Watt

Column B

Heat transfer by moving fluid

Joule per second

Multiple current paths

Light bouncing from a surface

F = ma

Section E — Short Answer

20 marks

5 questions · 4 marks each. Answer in one or two clear sentences.

41.Explain why household circuits are usually connected in parallel.Intermediate4 pts

42.How does friction affect a real energy-conversion system?Intermediate4 pts

43.Explain the difference between reflection and refraction.Basic4 pts

44.Why can a submarine rise or sink by changing its ballast tanks?Intermediate4 pts

45.What is the relationship between work and power?Basic4 pts