Some Natural Phenomenon

When two bodies are rubbed against each other, they acquire

• Equal and similar charges

• Equal and opposite charges

• Unequal and similar charges

• Unequal and opposite charges

Which of the following cannot be charged easily by friction?

• A plastic scale

• A copper rod

• An inflated balloon

• A woolen cloth

When an uncharged body B is brought into contact with a positively charged body A:

• A loses its charge

• B acquires positive charge

• B acquire no charge

• B acquires negative charge

The place of origin of an earthquake is called

• Focus

• epicenter

• Disc

• None of these

Which of the following is negatively charged particle?

• proton

• electron

• neutron

• all of these

An earthquake of magnitude 8-9 is

• not felt

• mild

• strong

• very strong

During the development of thunderstorm, the charges accumulate near the upper edges of the cloud is –

• positive

• negative

• neutral

• none of these

The movement of the earth’s plates causes

• cyclones

• lightning

• earthquakes

• thunderstorms

The movement of the earth’s plates causes

• cyclones

• lightning

• earthquakes

• thunderstorms

Interaction of charges is called _______.

• lightning

• electrical discharge

• earthing

• electricity