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22 questions
An electroscope is a device which is used to find if an object is
charged
magnetised
hot
free of cracks
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
During the development of thunderstorm, the charges accumulate near the upper edges of the cloud is –
positive
negative
neutral
none of these
Static electricity is the electricity in which
charges are in motion
charges are at rest
Both the options
Identify the figure which is not suitable during thunder storms
Identify the figure which you are supposed do during lightning.
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
Identify the image
Microscope
Endoscope
Electroscope
All of these
The process of transferring of charge from a charged object to the earth is called —————-
Charging
Uncharging
Earthing
All
How many types of charges are gained by rubbing objects?
2
1
3
4
During lightening actually ——- takes place
Electric discharge
Electric charging
Electric charge accumulation
All of the above
A lightning conductor usually has a rod made of
copper
glass
pastic
Identify the Y shaped structure in the given figure
Lightning rod
Plastic rod
Water pipe
The place of origin of an earthquake is called
Focus
epicenter
Disc
None of these
The movement of the earth’s plates causes
cyclones
lightning
earthquakes
thunderstorms
When two clouds having a huge amount of positive and negative charges approach each other, then
the air becomes good conductor of electricity
the air becomes bad conndcutor of electricity
None of the above
Take shelter under a table and stay there till the shaking stops.
In which phenomena we should do this?
Volcanic eruption
Earthquake
Lightning
Tsunami
The weak zone are known as sesmic or ________.
Fault zone
Good zone
Brushing past
Earthquake
The power of an earthquake is expressed in terms of a magnitude on a scale called the __________.
Richter photo
Richter scale
Seismic waves
Option b. and c.
What is shown in this diagram?
Structure of the earth
Structure of mars
Structure of plates of the earth
Structure of an apple
Which of the following is not likely to cause Tsunami?
A major nuclear explosion undersea
Earthquake
Volcanic eruption
Lightning
A lightning conductor usually has a rod made of
copper
glass
pastic
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