Physics Comprehensive Practice Test 2

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

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Section A — Multiple Choice

30 marks

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

1.What is the standard unit used to measure energy?Intermediate2 pts

A. Newton

B. Watt

C. Joule

D. Kelvin

2.What is Ohm's Law?Advanced2 pts

A. Force = Mass × Acceleration

B. Voltage = Current × Resistance

C. Work = Force × Distance

D. Energy = Mass × Speed

3.According to Newton's First Law, what happens to an object in motion if no unbalanced force acts on it?Basic2 pts

A. It gradually speeds up on its own

B. It stops immediately

C. It keeps moving at a constant velocity

D. It changes direction randomly

4.According to Newton's Law of Universal Gravitation, what happens to gravitational pull as distance increases?Intermediate2 pts

A. It stays exactly the same

B. It increases proportionally

C. It weakens rapidly, following an inverse square law

D. It reverses direction

5.What is heat?Advanced2 pts

A. Another word for temperature

B. A measurement of mass

C. The transfer of thermal energy from a hotter object to a cooler one

D. A type of force

6.What does the Law of Reflection state?Basic2 pts

A. Light always bends when it reflects

B. Reflected light always travels slower

C. The angle of incidence always equals the angle of reflection

D. Light never reflects off rough surfaces

7.In which state are particles tightly packed in fixed positions, only vibrating in place?Intermediate2 pts

A. Gas

B. Plasma

C. Solid

D. Liquid

8.If you run a full lap of a 400m track and end up exactly where you started, what is your displacement?Advanced2 pts

A. 400m

B. 200m

C. 0m

D. It cannot be calculated

9.Why does a sharp knife cut more easily than a blunt one, with the same push force?Basic2 pts

A. Sharp knives weigh less

B. Sharp knives are always made of different metal

C. A sharp edge concentrates force onto a smaller area, producing greater pressure

D. Sharp knives generate their own buoyant force

10.Why can't sound travel through the vacuum of space?Intermediate2 pts

A. Space is too cold for sound

B. There are no particles present for the sound wave to travel through

C. Sound moves too fast for space

D. Gravity blocks sound waves

11.What makes physics different from a science like biology, according to the article?Advanced2 pts

A. Physics doesn't use experiments

B. Physics only studies living things

C. Physics explains "why" using precise, testable, mathematical laws

D. Physics has no connection to other sciences

12.What is the formula for work?Basic2 pts

A. Work = Force ÷ Distance

B. Work = Force × Distance

C. Work = Mass × Acceleration

D. Work = Distance ÷ Time

13.What energy transformation happens in a solar panel?Intermediate2 pts

A. Electrical → Light

B. Sound → Electrical

C. Chemical → Kinetic

D. Light → Electrical

14.Why do sunsets often look red or orange?Advanced2 pts

A. The Sun itself changes color at sunset

B. Sunlight passes through more atmosphere, scattering away most of the blue light first

C. There is no scientific explanation for this

D. Red light is absorbed completely at sunset

15.What did James Watt actually contribute, historically?Basic2 pts

A. Major improvements to the steam engine's efficiency

B. He invented the very first engine of any kind

C. He discovered electricity

D. He invented the wheel

Section B — True / False

20 marks

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

16.Chemical energy is stored in the bonds between atoms and is found in food and fuels.Basic2 pts

False

True

17.Rubber and plastic are commonly used as electrical conductors.Basic2 pts

False

True

18.Like magnetic poles repel and unlike poles attract.Basic2 pts

False

True

19.Newton’s Third Law says action and reaction forces act on the same object.Intermediate2 pts

False

True

20.Weight can change when local gravitational strength changes, while mass remains constant.Basic2 pts

False

True

21.Heat always flows naturally from a colder object to a hotter object.Basic2 pts

False

True

22.A good conductor allows electric charge to move relatively easily.Basic2 pts

False

True

23.Pitch mainly depends on the frequency of a sound wave.Basic2 pts

False

True

24.Ultrasound has a frequency below 20 Hz.Basic2 pts

False

True

25.In an ideal energy transformation, total energy is conserved even when its form changes.Intermediate2 pts

False

True

Section C — Fill in the Blank

20 marks

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

26.Ohm’s Law is V = I × ____.Basic2 pts

27.The two poles of a magnet are called north and ____.Basic2 pts

28.The force needed to accelerate a 2 kg object at 3 m/s² is ____ N.Basic2 pts

29.Gravitational force follows an inverse ____ law with distance.Intermediate2 pts

30.The SI unit of temperature used in the article’s temperature-scale discussion is ____.Basic2 pts

31.Heat transfer through direct particle contact is called ____.Basic2 pts

32.The visible colors of light together form the visible ____.Basic2 pts

33.Matter in the state made of charged particles is called ____.Basic2 pts

34.A sound wave’s tightly packed regions are called ____.Basic2 pts

35.A changing magnetic field can produce electric current by electromagnetic ____.Intermediate2 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). Voltage

36(b). Faraday

36(c). Gravity

36(d). Conduction

36(e). Ultrasound

Column B

Attraction between masses

Sound above human hearing range

Electrical potential difference

Heat transfer by direct contact

Electromagnetic induction

Section E — Short Answer

20 marks

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

41.What is the difference between a conductor and an insulator?Basic4 pts

42.Explain what Oersted’s 1820 observation revealed.Intermediate4 pts

43.Why do objects fall at the same rate in a vacuum?Advanced4 pts

44.Distinguish heat from temperature.Intermediate4 pts

45.Explain the Doppler effect using an approaching ambulance as an example.Advanced4 pts

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