SOME NATURAL PHEONOMENA

What is the name of the scale used to measure the power of earthquakes?

• Seismic scale

• Iron scale

• Richter scale

• Large scale

Which of the following is not a natural pheonomena

• Eartthquake

• cyclone

• Lightning

• Earthing

Amber is a

• Resin

• Metal

• rubber

• wood

Which of the following can be charged by rubbing ?

• Ebonite

• plastic

• Amber

• All of the above

Lightning always followed by ?

• Thunder

• Rainpour

• a straight path

• None of the above

When the bodies are rubbed against each other they acquire

• Equal and like charges

• Equal and unlike charges

• un equal and like charges

• un equal and unlike charges

The waves produced on earth surface is called

• Seismic wave

• longitudinal wave

• Micro wave

• radio waves

Tsunami means

• Earth quake

• floods

• Earth quake under the sea

• Eruption of volcano in the sea

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

• Earthing

• Lightning

• oscillation motion

• electron movement

how many charges are obtained by rubbing

• 2

• 1

• 0

• 3