Chapters
Chapter 2: Microorganisms : Friend and Foe
Chapter 3: Synthetic Fibres and Plastics
Chapter 4: Materials : Metals and Non-metals
Chapter 5: Coal and Petroleum
Chapter 6: Combustion and Flame
Chapter 7: Conservation of Plants and Animals
Chapter 8: Cell - Structure and Functions
Chapter 9: Reproduction in Animals
Chapter 10: Reaching the Age of Adolescence
Chapter 11: Force and Pressure
Chapter 12: Friction
Chapter 13: Sound
Chapter 14: Chemical Effects of Electric Current
Chapter 15: Some Natural Phenomena
Chapter 16: Light
Chapter 17: Stars and the Solar System
Chapter 18: Pollution of Air and Water
Chapter 16: Light
NCERT solutions for Class 8 Science Textbook Chapter 16 Light [Pages 212 - 213]
Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain
Differentiate between regular and diffused reflection. Does diffused reflection mean the failure of the laws of reflection?
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Polished wooden table
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Chalk powder
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Cardboard surface
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Marble floor with water spread over it
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Mirror
Mention against the following whether regular or diffused reflection will take place when a beam of light strikes. Justify your answer in this case.
Piece of paper
State the laws of reflection.
Describe an activity to show that the incident ray, the reflected ray and the normal at the point of incidence lie in the same plane.
Fill in the blanks in the following.
A person 1 m in front of a plane mirror seems to be ____ __ m away from his image.
Fill in the blanks in the following.
If you touch your ________ ear with your right hand in front of a plane mirror, it will be seen in the mirror that your right ear is touched with your _________.
Fill in the blanks in the following.
The size of the pupil becomes ________ when you see in dim light.
Fill in the blanks in the following.
Night birds have _________ cones than rods in their eyes.
Angle of incidence is equal to the angle of reflection.
Always
Sometimes
Under special conditions
Never
Image formed by a plane mirror is
virtual, behind the mirror and enlarged.
virtual, behind the mirror and of the same size as the object.
real at the surface of the mirror and enlarged.
real, behind the mirror and of the same size as the object.
Describe the construction of a kaleidoscope.
Draw a labelled sketch of the human eye.
Gurmit wanted to perform Activity 16.8 using a laser torch. Her teacher advised her not to do so. Can you explain the basis of the teacher’s advice?
Explain how you can take care of your eyes.
What is the angle of incidence of a ray if the reflected ray is at an angle of 90° to the incident ray?
How many images of a candle will be formed if it is placed between two parallel plane mirrors separated by 40 cm?
Two mirrors meet at right angles. A ray of light is incident on one at an angle of 30° as shown in Figure. Draw the reflected ray from the second mirror.
Boojho stands at A just on the side of a plane mirror as shown in Figure. Can he see himself in the mirror? Also can he see the image of objects situated at P, Q and R?
Find out the position of the image of an object situated at A in the plane mirror
Can Paheli at B see this image?
Can Boojho at C see this image?
When Paheli moves from B to C, where does the image of A move?
Chapter 16: Light
NCERT solutions for Class 8 Science Textbook chapter 16 - Light
NCERT solutions for Class 8 Science Textbook chapter 16 (Light) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CBSE Class 8 Science Textbook solutions in a manner that help students grasp basic concepts better and faster.
Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. NCERT textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.
Concepts covered in Class 8 Science Textbook chapter 16 Light are Visible Things, Regular and Diffused Reflection, Reflected Light - Reflected Again, Concept of Multiple Images, Sunlight - White Or Coloured, Concept of Light and Eyes, Care of Eyes, Visual Impairment, Concept of Braille System, Laws of Reflection.
Using NCERT Class 8 solutions Light exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in NCERT Solutions are important questions that can be asked in the final exam. Maximum students of CBSE Class 8 prefer NCERT Textbook Solutions to score more in exam.
Get the free view of chapter 16 Light Class 8 extra questions for Class 8 Science Textbook and can use Shaalaa.com to keep it handy for your exam preparation
