Physics Comprehensive Practice Test 5

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.As a ball falls from a height, what happens to its energy?Intermediate2 pts

A. It disappears completely

B. Potential energy converts into kinetic energy

C. Kinetic energy converts into potential energy

D. It becomes sound energy only

2.Why are electrical wires coated in rubber or plastic?Advanced2 pts

A. To help the current flow faster

B. To insulate the current so it doesn't escape the wire

C. To make the wire magnetic

D. To reduce the wire's weight

3.What force is needed to accelerate a 2 kg object at 3 m/s²?Basic2 pts

A. 3 newtons

B. 6 newtons

C. 2 newtons

D. 9 newtons

4.Which astronaut demonstrated the feather-and-hammer drop on the Moon in 1971?Intermediate2 pts

A. Neil Armstrong

B. David Scott (Apollo 15)

C. Buzz Aldrin

D. Yuri Gagarin

5.At what Celsius temperature does water freeze?Advanced2 pts

A. 0°C

B. 32°C

C. 100°C

D. -273°C

6.Why does a straw in a glass of water appear bent?Basic2 pts

A. The straw physically bends in water

B. Light refracts (bends) as it passes from water into air

C. Water always distorts nearby objects

D. It is an optical illusion with no physical cause

7.What is sublimation?Intermediate2 pts

A. A gas turning into a liquid

B. A solid turning directly into a gas, skipping the liquid state

C. A liquid turning into a solid

D. A gas turning into plasma

8.A cyclist covers 30 km in 2 hours. What is their average speed?Advanced2 pts

A. 10 km/h

B. 15 km/h

C. 30 km/h

D. 60 km/h

9.Why don't we feel crushed by atmospheric pressure constantly pressing on us?Basic2 pts

A. Atmospheric pressure is actually zero at ground level

B. Fluids inside our bodies push outward with equal, opposite pressure

C. Human skin is completely impervious to pressure

D. Atmospheric pressure only exists at high altitude

10.What determines how loud a sound is?Intermediate2 pts

A. Frequency

B. Amplitude

C. Wavelength color

D. The speed of light

11.According to the article, how is chemistry related to physics?Advanced2 pts

A. They are completely unrelated fields

B. Chemistry is physics applied to atoms and molecules

C. Chemistry came before physics

D. Physics is a branch of chemistry

12.Doing 100 joules of work in 2 seconds gives how much power?Basic2 pts

A. 200 watts

B. 50 watts

C. 100 watts

D. 2 watts

13.What is energy?Intermediate2 pts

A. A type of force

B. The capacity to do work

C. Only heat and light combined

D. A unit of mass

14.What is light?Advanced2 pts

A. A liquid substance

B. A form of electromagnetic energy that travels as a wave

C. A type of sound wave

D. Only visible during the day

15.Why is no real simple machine perfectly efficient?Basic2 pts

A. Simple machines are theoretical only and don't really exist

B. They require electricity to work at all

C. They always increase the total energy in the system

D. Friction between moving parts always converts some work into wasted heat

Section B — True / False

20 marks

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

16.Kinetic energy depends on an object’s motion.Basic2 pts

False

True

17.An electric current can produce a magnetic field around a wire.Intermediate2 pts

False

True

18.A heavier object always falls faster than a lighter object in a vacuum.Basic2 pts

False

True

19.Mass is measured in newtons.Basic2 pts

False

True

20.Heat can be transferred by conduction, convection, or radiation.Basic2 pts

False

True

21.Blue light has a longer wavelength than red light.Intermediate2 pts

False

True

22.Condensation changes a gas into a liquid.Basic2 pts

False

True

23.Velocity includes direction, whereas speed does not.Basic2 pts

False

True

24.A floating object displaces fluid whose weight balances its own weight.Intermediate2 pts

False

True

25.A sound wave is a mechanical wave that needs a medium.Basic2 pts

False

True

Section C — Fill in the Blank

20 marks

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

26.Gravitational potential energy depends on mass, gravitational field strength, and ____.Basic2 pts

27.The unit of electric current is the ____.Basic2 pts

28.Newton’s First Law is associated with the concept of ____.Basic2 pts

29.Weight is a gravitational ____ acting on mass.Basic2 pts

30.The transfer of heat by electromagnetic waves is called ____.Basic2 pts

31.The normal line is used to measure the angle of incidence and angle of ____.Intermediate2 pts

32.The state of matter with no fixed shape but a fixed volume is a ____.Basic2 pts

33.Speed = distance divided by ____.Basic2 pts

34.An object sinks when its average density is ____ than the fluid’s density.Basic2 pts

35.The Doppler effect is a change in observed frequency caused by relative ____.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). Inertia

36(c). Radiation

36(d). Displacement

36(e). Inclined plane

Column B

Heat transfer by electromagnetic waves

Sloped surface

Electrical push in a circuit

Change in position with direction

Resistance to change in motion

Section E — Short Answer

20 marks

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

41.Describe the conservation of energy using a falling object as an example.Basic4 pts

42.Why does increasing resistance reduce current for a fixed voltage?Intermediate4 pts

43.Explain why a feather and hammer fall together on the Moon when air resistance is absent.Advanced4 pts

44.How do pitch and loudness differ?Basic4 pts

45.Explain mechanical advantage as a trade between force and distance.Advanced4 pts