HARD
8th CBSE
IMPORTANT
Earn 100

What is a seismograph? Draw a labelled diagram of a seismograph.

Important Questions on Some Natural Phenomena

EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 51
Which of the following cannot be charged by friction, if held by hand?
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 52
When a glass rod is rubbed with a piece of silk cloth, then
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 53
Which of the following are transferred from one object to another when these two objects are charged by friction?
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 54
The electric nature of lightning was established by a scientist named:
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 55
A plastic comb is rubbed with dry hair whereas a glass rod is rubbed with a piece of silk cloth. Which of these will get negatively charged?
(a) Plastic comb (b) Glass rod (c) Dry hair (d) Silk cloth
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 56
The magnitude of an earthquake is measured on:
MEDIUM
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 57
An earthquake of magnitude 2 on Richter scale is:
EASY
8th CBSE
IMPORTANT
Lakhmir Singh's SCIENCE FOR CLASS 8>Chapter 15 - Some Natural Phenomena>Multiple Choice Questions (MCQs)>Q 58
The epicentre of an earthquake is