1.2 Measuring Instruments (New Physics grade 9- Sindhi board)"

All

___ quantities are important for describing the

nature around us.

• Emotional

• Social

• Physical

• Experimental

A physical quantity is a physical

property of a phenomenon, body, or substance that can

be quantified by ___.

• density

• measurement

• time

• energy

A physical quantity can be expressed as the

combination of a magnitude expressed by a number, usually a ___ and a unit

• complex number

• real number

• rational number

• natural number

Physical quantities

are classified into two categories:

1) _____

2) Derived physical quantities.

• Base or Essential qualities

• Base or Fundamental quantities

• Base or Fundamental qualities

• Base or Essential quantities

Physical quantities which can be explained

by other physical quantities are called fundamental

physical quantities.

• True

• False

Answer explanation

Physical quantities which cannot be explained

by other physical quantities are called fundamental

physical quantities.

Physical quantities which cannot be explained

by other ___ quantities are called fundamental

physical quantities. There are ___ fundamental physical quantities.

• derived / five

• physical / five

• derived / seven

• physical / seven

Physical quantities which are explained on the

basis of ______ are called

derived physical quantities.

• physical quantities

• fundamental physical quantities

• derived physical quantities

• derived quantities

The length is defined as the minimum distance

between two points lying on same plane.

• True

• False

1000m = ?

• 1000km

• 100m

• 10km

• 1km

1 yard = ?

• 13 ft

• 3 ft

• 10 ft