some natural phenomenon

1.

Multiple Choice

30 sec

1 pt

An electroscope is a device which is used to find if an object is

charged

magnetised

hot

free of cracks

2.

Multiple Choice

30 sec

1 pt

Like charges

can repel or attract each other depending on the quantity of charge

can repel or attract each other depending on conditions

always repel each other

always attract each other

3.

Multiple Choice

30 sec

1 pt

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

positive

negative

neutral

none of these

4.

Multiple Choice

30 sec

1 pt

Name the scientist who showed that lightening and spark from our clothes are essentially the same phenomenon ?

Thomas Alva Edison

Franklin D. Roosevelt

Issac Newton

Benjamin Franklin

5.

Multiple Choice

30 sec

1 pt

Interaction of charges is called _______.

lightning

electrical discharge

earthing

electricity

6.

Multiple Choice

30 sec

1 pt

Static electricity is the electricity in which

charges are in motion

charges are at rest

Both the options

7.

Multiple Choice

30 sec

1 pt

Identify the figure which is not suitable during thunder storms

8.

Multiple Choice

30 sec

1 pt

Identify the figure which you are supposed do during lightning.

9.

Multiple Choice

30 sec

1 pt

The aluminium strips in an electroscope are replaced by plastic strips and a charged body is brought in contact with the metal clip. will the electroscope work?

Yes

No

I don't know

10.

Multiple Choice

30 sec

1 pt

What is the reason?

it is only a play

Static electricity

Electricity

11.

Multiple Choice

30 sec

1 pt

Which of the following cannot be charged easily by friction?

A plastic scale

A copper rod

An inflated balloon

A woolen cloth

12.

Multiple Choice

30 sec

1 pt

When a plastic refill is rubbed with polythene ,it acquires a —————- charge

Magnetic

Plastic

Small electric

None of these

13.

Multiple Choice

30 sec

1 pt

Identify the image

Microscope

Endoscope

Electroscope

All of these

14.

Multiple Choice

30 sec

1 pt

The process of transferring of charge from a charged object to the earth is called —————-

Charging

Uncharging

Earthing

All

15.

Multiple Select

30 sec

1 pt

Always lie down in an open place in case of lightening.

True

False

16.

Multiple Select

30 sec

1 pt

During lightening contact with electrical appliances should be avoided

True

False

17.

Multiple Choice

30 sec

1 pt

How many types of charges are gained by rubbing objects?

2

1

3

4

18.

Multiple Choice

30 sec

1 pt

During lightening actually ——- takes place

Electric discharge

Electric charging

Electric charge accumulation

All of the above

19.

Multiple Choice

30 sec

1 pt

A lightning conductor usually has a rod made of

copper

glass

pastic

20.

Multiple Choice

30 sec

1 pt

Identify the Y shaped structure in the given figure

Lightning rod

Plastic rod

Water pipe

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