Units and Physical Quantities

Question 1

Natural things or experimental science. It aims to provide understanding of the physical world by developing theories based on experiments

Answer 1

Physics

Question 2

This word means natural things

Answer 2

Physika

Question 3

What is the role of physics?

Answer 3

To provide clarity over ambiguous things.

Question 4

Any number that is used to describe a physical phenomenon quantitatively.

Answer 4

Physical Quantity

Question 5

To communicate the result of a measurement of a certain physical quantity.

Answer 5

Unit

Question 6

How was the unit of time described from the year 1889-1967

Answer 6

Solar Day

Question 7

The time between successive appearances of the sun at the highest point it reaches in the sky each day.

Answer 7

Solar Day

Question 8

Where is the standard mass kept?

Answer 8

International Bureau of Weights and Measures, Sevres Paris

Question 9

Are measured directly using devices or tools. They are often the basis of measurement.

Answer 9

Fundamental Physical Quantity

Question 10

Are quantities expressed as mathematical combinations of several fundamental quantities.

Answer 10

Derived Physical Quantity