NCERT Solutions for Chapter: Some Natural Phenomena, Exercise 1: Exercise
NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Some Natural Phenomena, Exercise 1: Exercise
Attempt the practice questions on Chapter 15: Some Natural Phenomena, Exercise 1: Exercise with hints and solutions to strengthen your understanding. Science Textbook of Competency Based Questions for Class VIII solutions are prepared by Experienced Embibe Experts.
Questions from NCERT Solutions for Chapter: Some Natural Phenomena, Exercise 1: Exercise with Hints & Solutions
A lightning conductor protects a building from lightning. What is a lightning conductor made of?
The diagram shows the focus of an earthquake. Focus is the point inside the Earth’s crust where the earthquake originates. 1, 2, 3 and 4 are four locations on the Earth’s surface.
In which location will the effect of the earthquake be maximum?
Raju was in his garden when an earthquake hit the place. What should Raju do to remain safe?
Which of these graphs shows the strongest earthquake?
Richter scale measures the strength of earthquakes.
| Richter scale measurement of the earthquake | Example of damages due to the earthquake |
| 3.0 - 3.9 | No damages but some vibrations felt |
| 4.0 - 4.9 | Cracks in windows, some unstable objects fall |
| 5.0 - 5.9 | Building walls may collapse, movement of furniture |
| 6.0 - 6.9 | Building roofs may collapse, loss of few lives |
| 7.0 - 7.9 | Cracks on ground, underground pipes broken, loss of many lives |
The damages from an earthquake are listed below.
- 2 people died
- 5 building roofs collapsed
- 12 building walls collapsed
What could be the likely reading on the Richter scale for the earthquake?
Which of these statements is true about earthquakes?
Raghvan found a metallic rod AB and a glass rod CD both positively charged and placed on an insulating table. He wanted to know what would happen to the charges on AB and CD if he touched both the rods at A and C? Discuss.
Two identical, small metallic spheres A and B are placed side by side on an insulating smooth table as shown in the figure. If A is positively charged and held fixed with the table, discuss the motion of B.
