Online Preparation PAF Physics Test 16

Temporary memory of computer is 

Most important piece of hardware is 

To send sound waves to far off areas, they are converted to 

Most important piece of hardware is...............

In radio, television and cell phone information is send either through space in form of ...............?

Number of operating computers on internet is 

Rest state and motion of body are

If a train moves with a uniform velocity of 27 kmh^-1 for 15s.

Educational institutions, libraries, hospitals and Industries store concerned information by

If strings is stretched by two opposite forces of 10 N then tension in string is 

A compact disc (CD) can store computer's data over

Banking of road prevents 

If we place some coins over paper strip and pull it with a jerk, then coins don't falloff because of 

Method used to transfer information to far off places instantly is called

Medium which sends signal from source to destination is known as 

A cyclist of mass 30 kg exerts a force of 250 N to move his cycle. acceleration is 4ms^-2 . force of friction between road and tyres will be

1 GB is equal to

In critical angle, some of light escape fiber optics and is lost, if angle of incidence with cladding is

A small storage device that can be used to transport files from one computer to another is called

To collect information and store then in computer in more than one inter linked is called