Class 9 Science (Shrawn)

The height of a tree is generally expressed in

• Foot

• Kg

• Km

• Hectar

The fundamental units involved in volume is

• Kg

• Metre

• Second

• Mole

Which one is the British System of unit.

• FPS

• CGS

• MKS

• SI

The total number of fundamentals units are

• 5

• 6

• 7

• 8

The SI unit of work is

• Hertz

• Pascal

• Newton

• Joule

When a body stops or come to rest, then

• v=0

• u=0

• a=0

• t=0

The negative form of acceleration is called

• Retardation

• Decleration

• Both

• None

Which one is a vector quantity?

• Distance

• Speed

• Length

• Force

What is the CGS unit of Force?

• Newton

• erg

• dyne

• Joule

The SI unit of work is

• Hertz

• Pascal

• Newton

• Joule