SOME NATURAL PHENOMENA

The process of transfer of charges from a charged object to the

earth is called

• earthing

• lightning

• oscillation motion

• electron movement

The power of an earthquake is expressed on a scale called

• seismic scale

• iron scale

• richter scale

• large scale

Which instrument is used to measure earthquake?

• Richter scale

• Seismograph

• Polygraph

• None of these

Which is not a natural phenomena?

• Earthquakes

• Cyclones

• Lightning

• Earthing

How many types of charges are gained by rubbing objects?

• 2

• 1

• 3

• 4

Where is the lightning rod attached to protect the building from

lightning?

• On the top of the building

• On the bottom of the building

• In the middle of the building

• All of these

Lightning always follows?

• a thunder

• rain pour

• the easiest path

• a straight path

Tsunami means

• earthquake

• floods

• earthquake under the sea

• eruption of volcano in a sea

The waves produced on the earth’s surface is called

• seismic wave

• longitudinal wave

• Micro wave

• Radio wave

Which of the following can be charged with static electricity

• Metal

• Alloy

• Insulator

• Semiconductor