Physics Comprehensive Practice Test 3

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.What kind of energy does a rolling football have?Intermediate2 pts

A. Kinetic energy

B. Gravitational potential energy

C. Elastic potential energy

D. Nuclear energy

2.A circuit has 2 amperes of current and 5 ohms of resistance. What is the voltage?Advanced2 pts

A. 2.5 volts

B. 3 volts

C. 7 volts

D. 10 volts

3.What is the name for an object's resistance to a change in motion?Basic2 pts

A. Inertia

B. Velocity

C. Displacement

D. Tension

4.If the distance between two objects triples, what happens to the gravitational force between them?Intermediate2 pts

A. It drops to one-ninth

B. It drops to one-third

C. It stays the same

D. It triples

5.Which direction does heat naturally flow, without extra work being done?Advanced2 pts

A. From cold objects to hot objects

B. From hot objects to cold objects

C. It flows equally in both directions

D. Heat doesn't actually flow at all

6.What is the difference between regular and diffuse reflection?Basic2 pts

A. Regular reflection happens on smooth surfaces; diffuse reflection scatters off rough surfaces

B. They are exactly the same thing

C. Diffuse reflection only happens in water

D. Regular reflection doesn't involve light at all

7.Which state of matter is easiest to compress?Intermediate2 pts

A. Gas

B. Solid

C. Liquid

D. None of these can be compressed

8.What is the main difference between speed and velocity?Advanced2 pts

A. Speed is always faster than velocity

B. Velocity has no formula

C. Speed and velocity are unrelated concepts

D. Velocity includes direction; speed does not

9.Why does pressure increase with depth in water?Basic2 pts

A. There is more water weight pressing down from above

B. Water gets colder with depth

C. Water becomes less dense with depth

D. Pressure actually decreases with depth

10.What are the tightly squeezed regions of particles in a sound wave called?Intermediate2 pts

A. Rarefactions

B. Wavelengths

C. Amplitudes

D. Compressions

11.Which branch of physics studies heat, temperature, and energy transfer?Advanced2 pts

A. Optics

B. Thermodynamics

C. Mechanics

D. Nuclear physics

12.How much work is done pushing an object with 20 newtons of force across 5 metres?Basic2 pts

A. 4 joules

B. 25 joules

C. 15 joules

D. 100 joules

13.Why are fossil fuels considered non-renewable?Intermediate2 pts

A. They took millions of years to form and are being used faster than nature replaces them

B. They are actually renewable, this is a common myth

C. They form again within a single year

D. They are found only underwater

14.Which color of visible light has the shortest wavelength?Advanced2 pts

A. Violet

B. Red

C. Orange

D. Yellow

15.Which simple machine is a sloped surface that spreads a lift over a longer distance?Basic2 pts

A. Wheel and axle

B. Inclined plane

C. Screw

D. Pulley

Section B — True / False

20 marks

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

16.Displacement includes direction, while distance is total path length.Basic2 pts

False

True

17.A horizontal line on a distance-time graph indicates that the object is moving faster and faster.Basic2 pts

False

True

18.Pressure equals force divided by area.Basic2 pts

False

True

19.Atmospheric pressure at sea level is approximately 101,325 Pa.Intermediate2 pts

False

True

20.An object with an average density less than the fluid it is in tends to float.Basic2 pts

False

True

21.The pitch of a sound is mainly determined by amplitude.Basic2 pts

False

True

22.Light travels much faster than sound, which is why lightning is seen before thunder is heard.Basic2 pts

False

True

23.Plasma is the same thing as an ordinary solid.Basic2 pts

False

True

24.Physics studies matter, energy, motion, and fundamental interactions.Basic2 pts

False

True

25.Work in physics is done whenever a person feels tired, even if the object does not move.Basic2 pts

False

True

Section C — Fill in the Blank

20 marks

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

26.A quantity with both magnitude and direction is called a ____.Basic2 pts

27.The slope of a distance-time graph represents ____.Basic2 pts

28.Pressure is measured in ____.Basic2 pts

29.Archimedes’ Principle relates buoyant force to the weight of the ____ fluid.Intermediate2 pts

30.The angle of incidence equals the angle of ____.Basic2 pts

31.The lowest-energy visible color has a shorter or longer wavelength than red? ____.Intermediate2 pts

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

33.A sound frequency below 20 Hz is called ____.Basic2 pts

34.The branch of physics dealing with heat, temperature, and energy transfer is ____.Basic2 pts

35.Work is measured in ____.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). Distance

36(b). Pressure

36(c). Sublimation

36(d). Pitch

36(e). Optics

Column B

Solid directly to gas

Branch studying light

Total path length

Perceived highness or lowness of sound

Force per unit area

Section E — Short Answer

20 marks

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

41.Differentiate distance and displacement with an example.Basic4 pts

42.Why does pressure increase when the same force acts on a smaller area?Intermediate4 pts

43.Explain why a rainbow or spectrum can be related to refraction and dispersion of light.Advanced4 pts

44.Describe the three everyday states of matter in terms of particle arrangement or motion.Basic4 pts

45.What makes physics different from simply memorising observations?Intermediate4 pts