MEDIUM
8th CBSE
IMPORTANT
Earn 100

What will you observe when the metal top of an electroscope is touched with a glass rod which has been rubbed with silk cloth? Give a reason for your answer.

Important Questions on Some Natural Phenomena

MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 32
What will you observe when the metal top of an electroscope is touched with a plastic comb rubbed in dry hair? Give a reason for your answer.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 33
What happens when we touch the metal top of a charged electroscope with our finger? What is this process known as?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 34
Explain why a charged body loses its charge when we touch it with our hand.
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 35
What happens when the two plates of earth's crust moving in opposite directions slide past one another?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 36
What happens when two moving plates of earth's crust collide head-on with each other?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 37
How will you find out whether an object is charged or not?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 38
Explain why it might be dangerous to raise an umbrella over our head in a thunderstorm.
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Short Answer Type Questions>Q 39
A person is in open space during a thunderstorm with no shelter (not even a tree) available nearby. Describe the safe position which he should take to protect himself from lightning. Why is this position considered safe?