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- 1. Multiple Choice
An electroscope is a device which is used to find if an object is
charged
magnetised
hot
free of cracks
- 2. Multiple Choice
The outermost layer of earth is called
mantle
outer core
inner core
crust
- 3. Multiple Choice
Which of the following cannot be charged easily by friction?
A plastic scale
A copper rod
An inflated balloon
A woolen cloth
- 4. Multiple Choice
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
- 5. Multiple Choice
Which of the following produces charge ?
gum
amber
lac
fructose
- 6. Multiple Choice
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
- 7. Multiple Choice
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
- 8. Multiple Choice
The place of origin of an earthquake is called
Focus
epicenter
Disc
None of these
- 9. Multiple Choice
Which of the following is negatively charged particle?
proton
electron
neutron
all of these
- 10. Multiple Choice
An earthquake of magnitude 8-9 is
not felt
mild
strong
very strong
- 11. Multiple Choice
During the development of thunderstorm, the charges accumulate near the upper edges of the cloud is –
positive
negative
neutral
none of these
- 12. Multiple Choice
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
- 13. Multiple Choice
Which device is used to protect building from lightning ?
Seismograph
Barometer
Lightning conductor
Thermal conductor
- 14. Multiple Choice
The movement of the earth’s plates causes
cyclones
lightning
earthquakes
thunderstorms
- 15. Multiple Choice
Interaction of charges is called _______.
lightning
electrical discharge
earthing
electricity
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