Some natural phenomena 2

The process of transfer of charges from a charged object to the earth is called

• earthing

• lightning

• electron movement

• oscillation motion

When two bodies are rubbed against each other, they acquire

• Equal charge

• like charge

• unlike charge

• unequal charge

A device used to test whether an object is carrying charge or not is called ______.

• Electrometer

• Charge meter

• Electroscope

• Chargoscope

Electric current is to be passed from one body to another. For this purpose, the two bodies must be joined by

• cotton thread

• plastic string

• copper wire

• rubber band

The Phenomena of sparks in the Sky are called ___________

• Thunder

• Flashes

• Lightening

• Electricity

When a glass rod is rubbed with a piece of silk cloth the rod

• (a) and the cloth both acquire positive charge.

• (b) becomes positively charged while the cloth has a negative charge.

• (c) and the cloth both acquire negative charge.

• (d) becomes negatively charged while the cloth has a positive charge.

We saw the.............in the sky before we heard the thunder.

the tremors and vibrations of the earth's surface

• tsunami
• earthquake
• tornado

a powerful electric discharge

• a lighting
• a trunder
• a blizzard

• an earthquake
• a hurricane
• a thunderstorm
• a tsunami