some natural phenmena

Which of the following natural phenomena is not possible to predict ?

• Cyclone

• Earthquake

• Thunderstorm

• Floods

Identify the reason of lightning during a thunderstorm ?

• Heavy Rain

• Low pressure at high altitude

• Accumulation of charges in clouds

• Cyclone

In which of the following layer of the earth do the earthquake originate ?

• Mantle

• Outer core

• Crust

• Inner core

Interaction of charges is called ?

• Lightening

• Electrical discharge

• Earthing

• Electricity

Which of the following cannot be charged easily by friction ?

• A plastic scale

• A copper rod

• A inflated balloon

• A wollen cloth

A earthquake can be measured with ?

• Seismic scale

• Iron scale

• Seismograph

• None of these

The waves produced on the earth's surface is called ?

• Seismic wave

• Longitudinal wave

• Micro wave

• Radio wave

Which of the following instrument is used to protect high rise building from lightning ?

• Lightning insulator

• Lightning conductor

• All of these

• None of these

Who invented gold leaf electroscope ?

• Benjamin franklin

• Robert hooke

• Abraham bennet

• Theodor schwann

The substance which do not allow charges to pass is called ?

• Conductor

• Electric current

• Insulator

• None of these