Some Natural Phenonmena

Which instrument is used to measure earthquake?

• Richter scale

• Seismograph

• Polygraph

• none of these

How many charges are gained by rubbing two objects

• 1

• 2

• 3

• 4

The crust and upper layer of mantle together make an (a)  

The movement of the Earth's plate causes

• Earthquake

• Lightening

The magnitude of earthquake is measured by

• Richter Scale

• Decibel Scale

• Celcius

• Kelvin

Where is the lightning rod attached to protect the building from lightning?

• On the top of the building

• On the middle of the building

• On the base of the building

• All of these

Which of the following can be charged with static electricity ?

• Metal

• Conductor

• Insulator

• none of these

The process of transferring charge from a charged body to earth is called

• Transferring

• Processing

• Charging

• Earthing

Richter scale is used to express the …………. of an earthquake.

(a)  

The earth’s plate responsible for causing earthquakes is

• the crust of the earth

• the mantle of the earth