When a body has an excess of one kind of charge, it is said to be charged. It then applies a force, called ___________ , on other charged bodies near it.
Gravitational force
Elastic force
Electrostatic force
None of these
The unit of pressure is __________ .
Newton
Hertz
Pascal
Kelvin
Pick the odd one out
pressing on a body
pushing
pulling
hearing
Choose the right answer
Newton balance is known as ____________
spring balance
common balance
force meter
barometer
burning of firewood
light is produced when bulb glows
fire cracker explodes
burning of magnesium ribbon.
