Rainbow Mind Map
Mass
Learn the meaning, units, conversions and measuring devices of mass, then test yourself with an interactive MCQ quiz.
What Is Mass?
Mass tells us how much matter is present in an object. It is a fundamental scalar physical quantity.
Mass is the amount of matter present in a body.
Definition
The amount of matter present in an object.
Type of Quantity
Mass is a fundamental and scalar physical quantity.
Units
- CGS: gram (g)
- MKS and SI: kilogram (kg)
- FPS: pound (lb)
Key Relations
- 1 kg = 1000 g
- 1 lb = 453.592 g
- 1 g = 1000 mg
MASS
Symbol: m
Larger Units
- 1 quintal = 100 kg
- 1 metric tonne = 1000 kg
Smaller Units
- gram (g)
- milligram (mg)
Measuring Devices
- Beam balance
- Jeweller's balance
- Electronic weighing machine
Important Point
Mass remains the same at different places, while weight may change with gravity.
Simple Beam Balance
A beam balance compares the mass of an object with known standard masses. It is balanced when the beam is horizontal and the central pointer is vertical.
Mass Unit Converter
Enter a value, choose a conversion and get the result instantly.
Rainbow MCQ Quiz: Mass
Select one option for each question. Use “Check Answer” for instant feedback or submit the complete quiz for your final score.
Mass is the amount of ______ present in a body.
Mass is a ______ quantity.
What is the SI unit of mass?
1.5 kg is equal to:
5 metric tonnes are equal to:
Which device can be used to measure mass?
A beam balance is balanced when:
Frequently Asked Questions
Open each question to revise the most important facts about mass.
Mass is the amount of matter present in a body. It is a fundamental scalar physical quantity.
The SI unit of mass is the kilogram, represented by the symbol kg.
There are 1000 grams in one kilogram.
One quintal equals 100 kilograms, while one metric tonne equals 1000 kilograms.
Common devices include a beam balance, a jeweller's balance and an electronic weighing machine.
Mass is the amount of matter in an object and stays constant, while weight is the gravitational force acting on that mass and may change with gravity.
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