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Exercise 1
GCE O-Level 2018.
GCE O-Level 2019.
GCE O-Level 2020.
GCE O-Level 2021.
GCE O-level 2023
GCE O-level 2024
Select Lessons (41)
Dynamics: Newton’s Laws of Motion
ELECTRICITY : ELECTROMAGNETISM - Alternating Current
ELECTRICITY : ELECTROMAGNETISM - Current in a Magnetic Field
ELECTRICITY : ELECTROMAGNETISM - Electromagnetic Induction
ELECTRICITY : ELECTROMAGNETISM - Magnets
ELECTRICITY : Electric Current I
ELECTRICITY : Electrostatics
ELECTRICITY : MODERN PHYSICS - The Electron (Electronics)
ELECTRICITY : WAVES - Light
ELECTRICITY : WAVES - Vibrations and Sound
ELECTRICITY: Current
Energy: Application And Uses
Forces
HEAT : TEMPERATURE - Concept of Heat and Temperature
HEAT : TEMPERATURE - Heat Capacity
HEAT : TEMPERATURE - Heat Transfer
HEAT : TEMPERATURE - Thermometers
HEAT : TEMPERATURE - Thermometric Properties
Health Education
Linear Momentum
MECHANICS : ENERGY - Forms of Energy
MECHANICS : ENERGY - Machines
MECHANICS : ENERGY - Power
MECHANICS : ENERGY - Work
MECHANICS : FORCES - Moments
MECHANICS : FORCES - Newton’s laws of Motion
MECHANICS : FORCES - Physical quantities
MECHANICS : FORCES - Types and characteristics of forces
MECHANICS : FORCES - Vectors and Scalars
MECHANICS : MOTION - Conservation of Linear Momentum
MECHANICS : MOTION - Linear Motion
MECHANICS : PROPERTIES OF MATTER - Density
MECHANICS : PROPERTIES OF MATTER - Hooke’s Law
MECHANICS : PROPERTIES OF MATTER - Pressure
MOTION
Matter: Its Properties & Transformation
PRESSURE
Radioactivity
WAVES: Electromagnetic
5/31 MCQs for:
MECHANICS : PROPERTIES OF MATTER - Density
How would you measure the volume of an irregularly shaped object to calculate its density?
Weigh the object in air and water.
Use a ruler to measure its dimensions.
Use a scale to measure the object's height.
Submerge it in water and measure the displaced volume.
The density of an object is defined as:
The ratio of its mass to its volume.
The speed at which it moves.
The total mass of all its atoms.
The amount of force it can exert.
What are the units of density in the International System (SI)?
Kilogram per cubic meter (kg/m³).
Gram per liter (g/L).
Kilogram per liter (kg/L).
Newton per cubic meter (N/m³).
The density of a substance is calculated using the formula ρ = m / V. If the mass of an object is 12 kg and its volume is 3 m³, what is its density?
36 kg/m³.
6 kg/m³.
9 kg/m³.
4 kg/m³.
What is the mass of a substance with a density of 5 g/cm³ and a volume of 10 cm³?
500 g.
5 g.
50 g.
10 g.
