100+ Measurement Questions and Answers Pdf - 2

Question: 6

What is mole?

Mole is defined as the amount of a substance of a system that contains as many atoms, molecules or ions as there are atoms in 0.012 kg of carbon-12.

It is denoted as (m).

Question: 7

What is density?

The mass per unit volume of a substance is called density.

Density = mass/volume

Question: 8

What is metre square?

The area of a square surface, whose side is equal to one metre is called one metre square.

Question: 9

Define least count of the vernier?

It is the smallest distance measured and it is the difference between one main scale division and one vernier scale division.

Question: 10

Define fundamental units?

The units in which the fundamental quantities such as length, mass and time are measured are called fundamental units.