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Questions and Answers
What are two destructive natural phenomena discussed in Chapter 15 of Class 8 Science?
What are two destructive natural phenomena discussed in Chapter 15 of Class 8 Science?
- Tornadoes and hurricanes
- Lightning and earthquakes (correct)
- Volcanic eruptions and tsunamis
- Floods and landslides
How can a body be charged according to the text?
How can a body be charged according to the text?
- By exposure to sunlight
- By exposure to air pollution
- By rubbing due to friction or by induction (correct)
- By contact with water
What are the electrical charges produced by rubbing called?
What are the electrical charges produced by rubbing called?
- Magnetic charges
- Static charges (correct)
- Electric charges
- Dynamic charges
Which objects can acquire a charge when rubbed with certain materials?
Which objects can acquire a charge when rubbed with certain materials?
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What is the term used for the process of charging by rubbing?
What is the term used for the process of charging by rubbing?
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Study Notes
Natural Phenomena
- Two destructive natural phenomena discussed in Chapter 15 of Class 8 Science are not specified in the provided text.
Charging a Body
- A body can be charged by rubbing it with another object.
Electrical Charges
- The electrical charges produced by rubbing are called static electricity.
- Static electricity is the electric charge generated on the surface of objects when they come into contact with other objects.
Objects that can Acquire a Charge
- Glass, ebonite, and certain other objects can acquire a charge when rubbed with certain materials like silk, fur, or hair.
Charging Process
- The term used for the process of charging by rubbing is triboelectric charging.
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Description
Test your knowledge of natural phenomena such as static charges, lightning, and earthquakes with this CBSE Class 8 Science quiz. Explore key concepts and measures to minimize destruction caused by these occurrences. Ideal for students preparing for the CBSE Syllabus 2023-24.
